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#1 Le 14/01/2018, à 15:11

Cverine

[résolu]Problème installation dual-boot E5 575Gférents

Bonjour,
J'ai un Acer Aspire E5-575G-5148. Windows 10 préinstallé.
Je cherche à installer Ubuntu en dual-boot, avec Win10 sur un disque dur (HDD1) et Ubuntu sur l'autre (HDD0).
Lors de l'installation d'Ubuntu,en cochant "Installer à coté de Windows", l'installateur ne me proposait que le HDD1. J'ai donc choisi "Autre chose", soit le partitionnement manuel de mon HDD0 (je précise que je ne maitrise pas bien ce genre de manip). J'ai suivi la procédure de la doc Ubuntu, fini l'installation, tout avait l'air OK.

Puis, je passe à la procédure de Gesbuklu ici.
Arrivée à l'étape

Gesbuklu a écrit :

sélectionner le 3è onglet Security, définir un mot de passe pour pouvoir accéder à
select an uefi as trusted for executing
ce qui ouvre la fenêtre InsydeH20 Setup Utility,
sélectionner HDD0 en faisant [enter], ce qui ouvre le menu suivant,

=> mon BIOS ne me propose que HDD1.

Je vérifie dans Windows, le HDD0 n'apparait plus dans l'explorateur de fichier, ni dans les paramètrès de stockage. Par contre, on voit bien le partitionnement fait dans le gestionnaire de disque.

Voici mon boot-info.

D'après le peu que je comprends, Ubuntu est installé sur un disque et les fichiers de boot sur un autre...
2 explications possibles :
- soit je me suis trompée en choisissant le chargeur d'amorçage, malgré multiples vérifications
-soit il s'agit fichiers issus d'un précédent essai d'installation qui n'a pas marché.
Soit le problème est ailleurs mais je ne sais pas où.

Mes questions :
1- possible de rattraper le coup et d'installer proprement Ubuntu sur HDD0 ? Si oui, comment ?
2- si non, je peux toujours installer sur HDD1 mais comment retrouver l'accès à HDD0 car c'est là qu'il y a la plus grosse partie de la mémoire de l'ordi ?

Merci pour vos réponses et désolée pour le vocabulaire peut être pas très précis, je ne suis pas spécialiste du tout, ni de linux, ni de disque dur.

Dernière modification par Cverine (Le 14/01/2018, à 22:46)

Hors ligne

#2 Le 14/01/2018, à 16:41

Babdu89

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonjour.

Lors de l'installation d'Ubuntu,en cochant "Installer à coté de Windows", l'installateur ne me proposait que le HDD1. J'ai donc choisi "Autre chose", soit le partitionnement manuel de mon HDD0 (je précise que je ne maitrise pas bien ce genre de manip). J'ai suivi la procédure de la doc Ubuntu, fini l'installation, tout avait l'air OK.

Tu as deux systèmes installés sur la machine.
Les deux systèmes sont installé en mode UEFI.
Mais tu as choisis de faire un partitionnement de type MSDos sur le disque qui reçoit Ubuntu. Normalement çà devrait être avec une table de partition de type GPT, comme le disque qui reçoit l'installation de Windows.

Au sujet de la partition de boot. En installant Ubuntu en mode UEFI, l'installateur de Ubuntu va utiliser la partition boot-efi qui a été créée à l'installation de Windows. (/dev/sdc2). pour faire l'installation de grub-efi.
Çà ne se passe plus comme avec les machines avec installation en mode Bios_Legacy

Quel est le souci actuellement, à part le type de table de partition du disque qui reçoit l'installation de Ubuntu?

Les systèmes marchent ou pas?.

Sinon, si tu veux refaire une installation de Ubuntu en mode UEFI sur le disque avec table de partition de type MSDos actuellement.
Il faut avec Gparted en session live du Ubuntu que tu veux installer. Supprimer les partitions du disque où est Ubuntu.
Avec Gparted toujours. Réécrire une table de partition de type GPT dans ce disque. Préparer les partitions qui vont recevoir la nouvelle installation. Sans faire de partition boot-efi sur ce disque, car ce sera encore la partition boot-efi /dev/sdc2 qui sera utilisée pour la réinstallation de grub-efi . l'installateur va te demander où installer Grub? Les propositions qu'il va faire ne sont pas à utiliser, tu n'en t'en occupes pas. Grub-efi sera installé automatiquement dans la partition boot-efi /dev/sdc2.

@+.   Babdu89  .

Dernière modification par Babdu89 (Le 14/01/2018, à 16:43)


J'ai découvert Ubuntu avec la 07.10.... Et alors?!...  Depuis je regarde de temps en temps si Windows marche toujours....

Hors ligne

#3 Le 14/01/2018, à 16:54

Cverine

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonjour Babdu89,
Merci pour ta réponse.
Windows fonctionne, pas de problème, et le système refuse de booter sur Ubuntu puisque je n'ai pas fait les manip spécifiques pour les Acer pour pouvoir autoriser les fichiers de boot Ubuntu.
Je vais regarder pour refaire le partitionnement avec Gparted, mais avant je dois reprendre ton explication pour être sûre d'avoir tout bien compris.
SI je comprends bien, je n'ai plus accès à mon HDD0 car il est partitionné en MSDos. GParted me permettra de le repasser en GPT et du coup mon système le reconnaitra à nouveau ?
Merci beaucoup.
Séverine

Hors ligne

#4 Le 14/01/2018, à 17:40

malbo

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonsoir,
Ton Boot-Info est là :

Boot Info Script 8f991e4 + Boot-Repair extra info      [Boot-Info 25oct2017]


============================= Boot Info Summary: ===============================

 => libparted MBR boot code is installed in the MBR of /dev/sda.
 => Syslinux MBR (5.00 and higher) is installed in the MBR of /dev/sdb.
 => No boot loader is installed in the MBR of /dev/sdc.

sda1: __________________________________________________________________________

    File system:       Extended Partition
    Boot sector type:  -
    Boot sector info: 

sda5: __________________________________________________________________________

    File system:       swap
    Boot sector type:  -
    Boot sector info: 

sda6: __________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  Ubuntu 16.04.3 LTS
    Boot files:        /boot/grub/grub.cfg /etc/fstab

sdb1: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  SYSLINUX 6.03
    Boot sector info:  Syslinux looks at sector 16400 of /dev/sdb1 for its 
                       second stage. The integrity check of Syslinux failed. 
                       No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /boot/grub/grub.cfg /syslinux.cfg /casper/vmlinuz.efi 
                       /EFI/BOOT/grubx64.efi /ldlinux.sys

sdc1: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sdc2: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  Windows 8/2012: FAT32
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /EFI/ubuntu/grub.cfg /EFI/Boot/bootx64.efi 
                       /EFI/ubuntu/fwupx64.efi /EFI/ubuntu/grubx64.efi 
                       /EFI/ubuntu/mmx64.efi /EFI/ubuntu/shimx64.efi 
                       /EFI/Microsoft/Boot/bootmgfw.efi 
                       /EFI/Microsoft/Boot/bootmgr.efi 
                       /EFI/Microsoft/Boot/memtest.efi

sdc3: __________________________________________________________________________

    File system:       
    Boot sector type:  -
    Boot sector info: 
    Mounting failed:   mount: unknown filesystem type ''

sdc4: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /Windows/System32/winload.exe

============================ Drive/Partition Info: =============================

Drive: sda _____________________________________________________________________
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sda1               2,046   992,186,367   992,184,322   5 Extended
/dev/sda5               2,048    15,624,191    15,622,144  82 Linux swap / Solaris
/dev/sda6          15,626,240   992,186,367   976,560,128  83 Linux


GUID Partition Table detected, but does not seem to be used.

Partition  Attrs   Start Sector    End Sector  # of Sectors System

Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set

Drive: sdb _____________________________________________________________________
Disk /dev/sdb: 3.8 GiB, 4007657472 bytes, 7827456 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sdb1    *          2,048     7,827,455     7,825,408   c W95 FAT32 (LBA)


Drive: sdc _____________________________________________________________________
Disk /dev/sdc: 119.2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sdc1                   1 4,294,967,295 4,294,967,295  ee GPT

/dev/sdc1 ends after the last sector of /dev/sdc

GUID Partition Table detected.

Partition  Attrs   Start Sector    End Sector  # of Sectors System
/dev/sdc1   +  R          2,048       923,647       921,600 Windows Recovery Environment (Windows)
/dev/sdc2   +           923,648     1,128,447       204,800 EFI System partition
/dev/sdc3   +         1,128,448     1,161,215        32,768 Microsoft Reserved Partition (Windows)
/dev/sdc4             1,161,216   250,068,991   248,907,776 Data partition (Windows/Linux)

Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set

"blkid" output: ________________________________________________________________

Device           UUID                                   TYPE       LABEL

/dev/loop0                                              squashfs   
/dev/sda5        bc642d7e-7250-4353-879f-ba1cd3621bbf   swap       
/dev/sda6        3a7b99d7-b4a3-4da0-832c-5fd853c838e5   ext4       
/dev/sdb1        ACB1-F46C                              vfat       UBUNTU 16_0
/dev/sdc1        4E4250C84250B705                       ntfs       
/dev/sdc2        D247-1946                              vfat       
/dev/sdc3                                                          
/dev/sdc4        18E05600E055E512                       ntfs       

========================= "ls -l /dev/disk/by-id" output: ======================

total 0
lrwxrwxrwx 1 root root  9 Jan 14 10:06 ata-HL-DT-ST_DVDRAM_GUE1N_KXSH1511719 -> ../../sr0
lrwxrwxrwx 1 root root  9 Jan 14 10:16 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED -> ../../sdc
lrwxrwxrwx 1 root root 10 Jan 14 10:17 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part1 -> ../../sdc1
lrwxrwxrwx 1 root root 10 Jan 14 10:16 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part2 -> ../../sdc2
lrwxrwxrwx 1 root root 10 Jan 14 10:16 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part3 -> ../../sdc3
lrwxrwxrwx 1 root root 10 Jan 14 10:17 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part4 -> ../../sdc4
lrwxrwxrwx 1 root root  9 Jan 14 10:16 ata-ST1000LM035-1RK172_WDE32718 -> ../../sda
lrwxrwxrwx 1 root root 10 Jan 14 10:16 ata-ST1000LM035-1RK172_WDE32718-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Jan 14 10:16 ata-ST1000LM035-1RK172_WDE32718-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Jan 14 10:16 ata-ST1000LM035-1RK172_WDE32718-part6 -> ../../sda6
lrwxrwxrwx 1 root root  9 Jan 14 10:16 usb-Kingston_DataTraveler_2.0_5B87060002A9-0:0 -> ../../sdb
lrwxrwxrwx 1 root root 10 Jan 14 10:16 usb-Kingston_DataTraveler_2.0_5B87060002A9-0:0-part1 -> ../../sdb1
lrwxrwxrwx 1 root root  9 Jan 14 10:16 wwn-0x5000c500a7f6dc7a -> ../../sda
lrwxrwxrwx 1 root root 10 Jan 14 10:16 wwn-0x5000c500a7f6dc7a-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Jan 14 10:16 wwn-0x5000c500a7f6dc7a-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Jan 14 10:16 wwn-0x5000c500a7f6dc7a-part6 -> ../../sda6
lrwxrwxrwx 1 root root  9 Jan 14 10:06 wwn-0x5001480000000000 -> ../../sr0
lrwxrwxrwx 1 root root  9 Jan 14 10:16 wwn-0x502b2a201d1c1b1a -> ../../sdc
lrwxrwxrwx 1 root root 10 Jan 14 10:17 wwn-0x502b2a201d1c1b1a-part1 -> ../../sdc1
lrwxrwxrwx 1 root root 10 Jan 14 10:16 wwn-0x502b2a201d1c1b1a-part2 -> ../../sdc2
lrwxrwxrwx 1 root root 10 Jan 14 10:16 wwn-0x502b2a201d1c1b1a-part3 -> ../../sdc3
lrwxrwxrwx 1 root root 10 Jan 14 10:17 wwn-0x502b2a201d1c1b1a-part4 -> ../../sdc4

================================ Mount points: =================================

Device           Mount_Point              Type       Options

/dev/loop0       /rofs                    squashfs   (ro,noatime)
/dev/sdb1        /cdrom                   vfat       (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)


=========================== sda6/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}
function recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos6'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
else
  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=fr_FR
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
  set timeout=30
else
  if [ x$feature_timeout_style = xy ] ; then
    set timeout_style=menu
    set timeout=10
  # Fallback normal timeout code in case the timeout_style feature is
  # unavailable.
  else
    set timeout=10
  fi
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30,0; then
  clear
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
	set gfxpayload="${1}"
	if [ "${1}" = "keep" ]; then
		set vt_handoff=vt.handoff=7
	else
		set vt_handoff=
	fi
}
if [ "${recordfail}" != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
	recordfail
	load_video
	gfxmode $linux_gfx_mode
	insmod gzio
	if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
	insmod part_msdos
	insmod ext2
	set root='hd0,msdos6'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
	else
	  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
	fi
	linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff
	initrd	/boot/initrd.img-4.13.0-26-generic
}
submenu 'Options avancées pour Ubuntu' $menuentry_id_option 'gnulinux-advanced-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
	menuentry 'Ubuntu, avec Linux 4.13.0-26-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.13.0-26-generic-advanced-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.13.0-26-generic…'
		linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.13.0-26-generic
	}
	menuentry 'Ubuntu, with Linux 4.13.0-26-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.13.0-26-generic-init-upstart-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.13.0-26-generic…'
		linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff init=/sbin/upstart
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.13.0-26-generic
	}
	menuentry 'Ubuntu, with Linux 4.13.0-26-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.13.0-26-generic-recovery-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.13.0-26-generic…'
		linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro recovery nomodeset 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.13.0-26-generic
	}
	menuentry 'Ubuntu, avec Linux 4.10.0-28-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.10.0-28-generic-advanced-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.10.0-28-generic…'
	        linux	/boot/vmlinuz-4.10.0-28-generic root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.10.0-28-generic
	}
	menuentry 'Ubuntu, with Linux 4.10.0-28-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.10.0-28-generic-init-upstart-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.10.0-28-generic…'
	        linux	/boot/vmlinuz-4.10.0-28-generic root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff init=/sbin/upstart
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.10.0-28-generic
	}
	menuentry 'Ubuntu, with Linux 4.10.0-28-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.10.0-28-generic-recovery-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.10.0-28-generic…'
	        linux	/boot/vmlinuz-4.10.0-28-generic root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro recovery nomodeset 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.10.0-28-generic
	}
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows Boot Manager (sur /dev/sdc2)' --class windows --class os $menuentry_id_option 'osprober-efi-D247-1946' {
	insmod part_gpt
	insmod fat
	set root='hd2,gpt2'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd2,gpt2 --hint-efi=hd2,gpt2 --hint-baremetal=ahci2,gpt2  D247-1946
	else
	  search --no-floppy --fs-uuid --set=root D247-1946
	fi
	chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
  set timeout=10
fi
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
menuentry 'System setup' $menuentry_id_option 'uefi-firmware' {
	fwsetup
}
### END /etc/grub.d/30_uefi-firmware ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------

=============================== sda6/etc/fstab: ================================

--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda6 during installation
UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sdc2 during installation
UUID=D247-1946  /boot/efi       vfat    umask=0077      0       1
# swap was on /dev/sda5 during installation
UUID=bc642d7e-7250-4353-879f-ba1cd3621bbf none            swap    sw              0       0
--------------------------------------------------------------------------------

=================== sda6: Location of files loaded by Grub: ====================

           GiB - GB             File                                 Fragment(s)

 179.681449890 = 192.931487744  boot/grub/grub.cfg                             1
   8.989311218 = 9.652199424    boot/vmlinuz-4.10.0-28-generic                 1
 420.214130402 = 451.201486848  boot/vmlinuz-4.13.0-26-generic                 1
 420.470031738 = 451.476258816  boot/vmlinuz-4.13.0-26-generic.efi.signed      2
   8.989311218 = 9.652199424    vmlinuz                                        1
 420.591793060 = 451.606999040  boot/initrd.img-4.10.0-28-generic              3
 420.443355560 = 451.447615488  boot/initrd.img-4.13.0-26-generic              3
 420.591793060 = 451.606999040  initrd.img                                     3
 420.591793060 = 451.606999040  initrd.img.old                                 3

=========================== sdb1/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------

if loadfont /boot/grub/font.pf2 ; then
	set gfxmode=auto
	insmod efi_gop
	insmod efi_uga
	insmod gfxterm
	terminal_output gfxterm
fi

set menu_color_normal=white/black
set menu_color_highlight=black/light-gray

menuentry "Try Ubuntu without installing" {
	set gfxpayload=keep
	linux	/casper/vmlinuz.efi  file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
	initrd	/casper/initrd.lz
}
menuentry "Install Ubuntu" {
	set gfxpayload=keep
	linux	/casper/vmlinuz.efi  file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash ---
	initrd	/casper/initrd.lz
}
menuentry "OEM install (for manufacturers)" {
	set gfxpayload=keep
	linux	/casper/vmlinuz.efi  file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash oem-config/enable=true ---
	initrd	/casper/initrd.lz
}
menuentry "Check disc for defects" {
	set gfxpayload=keep
	linux	/casper/vmlinuz.efi  boot=casper integrity-check quiet splash ---
	initrd	/casper/initrd.lz
}
--------------------------------------------------------------------------------

============================== sdb1/syslinux.cfg: ==============================

--------------------------------------------------------------------------------
DEFAULT loadconfig

LABEL loadconfig
  CONFIG /isolinux/isolinux.cfg
  APPEND /isolinux/
--------------------------------------------------------------------------------

=================== sdb1: Location of files loaded by Grub: ====================

           GiB - GB             File                                 Fragment(s)

            ?? = ??             boot/grub/grub.cfg                             1

================= sdb1: Location of files loaded by Syslinux: ==================

           GiB - GB             File                                 Fragment(s)

            ?? = ??             syslinux.cfg                                   1
            ?? = ??             ldlinux.sys                                    1

========================== sdc2/EFI/ubuntu/grub.cfg: ===========================

--------------------------------------------------------------------------------
search.fs_uuid 3a7b99d7-b4a3-4da0-832c-5fd853c838e5 root hd0,msdos6 
set prefix=($root)'/boot/grub'
configfile $prefix/grub.cfg
--------------------------------------------------------------------------------

======================== Unknown MBRs/Boot Sectors/etc: ========================


/dev/sdc1: unknown GPT attributes
8000000000000001

/dev/sdc2: unknown GPT attributes
8000000000000000

/dev/sdc3: unknown GPT attributes
8000000000000000

=============================== StdErr Messages: ===============================

File descriptor 9 (/proc/5763/mounts) leaked on lvs invocation. Parent PID 16026: bash
File descriptor 63 (pipe:[58435]) leaked on lvs invocation. Parent PID 16026: bash

ADDITIONAL INFORMATION :
=================== log of boot-info 20180114_1016 ===================
boot-info version : 4ppa65
boot-sav version : 4ppa65
boot-sav-extra version : 4ppa65
glade2script version : 3.2.3~ppa4
Partition 1 does not start on physical sector boundary.
boot-info is executed in live-session (Ubuntu 16.04.3 LTS, xenial, Ubuntu, x86_64)
CPU op-mode(s):        32-bit, 64-bit
BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
ls: cannot access '/home/usr/.config': No such file or directory

=================== os-prober:
/dev/sda6:Ubuntu 16.04.3 LTS (16.04):Ubuntu:linux
/dev/sdc2@/efi/Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows:efi

=================== blkid:
/dev/sda6: UUID="3a7b99d7-b4a3-4da0-832c-5fd853c838e5" TYPE="ext4" PARTUUID="d847e37e-06"
/dev/sdb1: LABEL="UBUNTU 16_0" UUID="ACB1-F46C" TYPE="vfat" PARTUUID="0016abe4-01"
/dev/loop0: TYPE="squashfs"
/dev/sda5: UUID="bc642d7e-7250-4353-879f-ba1cd3621bbf" TYPE="swap" PARTUUID="d847e37e-05"
/dev/sdc1: UUID="4E4250C84250B705" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="e93598c7-bfbf-498d-979f-74f16850bf48"
/dev/sdc2: UUID="D247-1946" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="f1bd0cbb-2cbc-424d-acf3-54f7a68630d3"
/dev/sdc4: UUID="18E05600E055E512" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="ded971db-d7af-4c1d-a9b1-549b2f4dbfb1"
/dev/sdc3: PARTLABEL="Microsoft reserved partition" PARTUUID="c7290206-a5ae-4cad-889d-8c743e09e0ec"


2 disks with OS, 2 OS : 1 Linux, 0 MacOS, 1 Windows, 0 unknown type OS.

Windows not detected by os-prober on sdc4.
Partition 1 does not start on physical sector boundary.
Partition 1 does not start on physical sector boundary.

=================== sda6/etc/grub.d/ :
drwxr-xr-x  2 root root    4096 Jan 13 22:52 grub.d
total 80
-rwxr-xr-x 1 root root  9791 Jun 21  2017 00_header
-rwxr-xr-x 1 root root  6258 Mar 15  2016 05_debian_theme
-rwxr-xr-x 1 root root 12512 Jun 21  2017 10_linux
-rwxr-xr-x 1 root root 11082 Jun 21  2017 20_linux_xen
-rwxr-xr-x 1 root root  1992 Jan 28  2016 20_memtest86+
-rwxr-xr-x 1 root root 11692 Jun 21  2017 30_os-prober
-rwxr-xr-x 1 root root  1418 Jun 21  2017 30_uefi-firmware
-rwxr-xr-x 1 root root   214 Jun 21  2017 40_custom
-rwxr-xr-x 1 root root   216 Jun 21  2017 41_custom
-rw-r--r-- 1 root root   483 Jun 21  2017 README




=================== sda6/etc/default/grub :

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"



/boot/efi detected in the fstab of sda6: UUID=D247-1946   (sdc2)
Presence of EFI/Microsoft file detected: /mnt/boot-sav/sdc2/EFI/Microsoft/Boot/bootmgfw.efi
Presence of EFI/Boot file detected: /mnt/boot-sav/sdc2/EFI/Boot/bootx64.efi

=================== efibootmgr -v
BootCurrent: 0001
Timeout: 0 seconds
BootOrder: 0003,0001,2001,2002,2003
Boot0000* Unknown Device: 	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)RC
Boot0001* Linux	HD(1,MBR,0x4294967268,0x800,0x776800)/File(EFIBootgrubx64.efi)RC
Boot0002* ubuntu	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)
Boot0003* Windows Boot Manager	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIMicrosoftBootbootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...d................
Boot2001* EFI USB Device	RC
Boot2002* EFI DVD/CDROM	RC
Boot2003* EFI Network	RC

=================== UEFI/Legacy mode:
BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.
SecureBoot enabled.


=================== PARTITIONS & DISKS:
sda6	: sda,	not-sepboot,	grubenv-ok	grub2,	signed grub-efi ,	update-grub,	64,	with-boot,	is-os,	not--efi--part,	fstab-without-boot,	fstab-has-goodEFI,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot,	apt-get,	grub-install,	with--usr,	fstab-without-usr,	not-sep-usr,	standard,	farbios,	notbiosboot, /mnt/boot-sav/sda6.
sdc1	: sdc,	not-sepboot,	no-grubenv	nogrub,	no-docgrub,	no-update-grub,	32,	no-boot,	no-os,	not--efi--part,	part-has-no-fstab,	part-has-no-fstab,	no-nt,	no-winload,	recovery-or-hidden,	no-bmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	not-far,	notbiosboot, /mnt/boot-sav/sdc1.
sdc2	: sdc,	not-sepboot,	no-grubenv	nogrub,	no-docgrub,	no-update-grub,	32,	no-boot,	is-os,	is-correct-EFI,	part-has-no-fstab,	part-has-no-fstab,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	not-far,	notbiosboot, /mnt/boot-sav/sdc2.
sdc4	: sdc,	not-sepboot,	no-grubenv	nogrub,	no-docgrub,	no-update-grub,	32,	no-boot,	is-os,	not--efi--part,	part-has-no-fstab,	part-has-no-fstab,	no-nt,	haswinload,	no-recov-nor-hid,	no-bmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	farbios,	notbiosboot, /mnt/boot-sav/sdc4.

sda	: not-GPT,	BIOSboot-not-needed,	has-no-EFIpart, 	not-usb,	not-mmc, has-os,	2046 sectors * 512 bytes
sdc	: GPT,	no-BIOS_boot,	has-correctEFI, 	not-usb,	not-mmc, has-os,	2048 sectors * 512 bytes


=================== parted -lm:

BYT;
/dev/sda:1000GB:scsi:512:4096:msdos:ATA ST1000LM035-1RK1:;
1:1048kB:508GB:508GB:::;
5:1049kB:8000MB:7999MB:linux-swap(v1)::;
6:8001MB:508GB:500GB:ext4::;

BYT;
/dev/sdb:4008MB:scsi:512:512:msdos:Kingston DataTraveler 2.0:;
1:1049kB:4008MB:4007MB:fat32::boot, lba;

BYT;
/dev/sdc:128GB:scsi:512:512:gpt:ATA KINGSTON RBUSNS8:;
1:1049kB:473MB:472MB:ntfs:Basic data partition:hidden, diag;
2:473MB:578MB:105MB:fat32:EFI system partition:boot, esp;
3:578MB:595MB:16.8MB::Microsoft reserved partition:msftres;
4:595MB:128GB:127GB:ntfs:Basic data partition:msftdata;

=================== lsblk:
KNAME TYPE FSTYPE     SIZE LABEL
sdb   disk            3.8G
sdb1  part vfat       3.7G UBUNTU 16_0
sr0   rom            1024M
loop0 loop squashfs   1.4G
sdc   disk          119.2G
sdc2  part vfat       100M
sdc3  part             16M
sdc1  part ntfs       450M
sdc4  part ntfs     118.7G
sda   disk          931.5G
sda5  part swap       7.5G
sda1  part              1K
sda6  part ext4     465.7G

KNAME ROTA RO RM STATE   MOUNTPOINT
sdb      1  0  1 running
sdb1     1  0  1         /cdrom
sr0      1  0  1 running
loop0    1  1  0         /rofs
sdc      0  0  0 running
sdc2     0  0  0         /mnt/boot-sav/sdc2
sdc3     0  0  0
sdc1     0  0  0         /mnt/boot-sav/sdc1
sdc4     0  0  0         /mnt/boot-sav/sdc4
sda      1  0  0 running
sda5     1  0  0         [SWAP]
sda1     1  0  0
sda6     1  0  0         /mnt/boot-sav/sda6


=================== mount:
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=4002796k,nr_inodes=1000699,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=803768k,mode=755)
/dev/sdb1 on /cdrom type vfat (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/loop0 on /rofs type squashfs (ro,noatime)
aufs on / type aufs (rw,noatime,si=474ab324b052ee15)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=26,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=15449)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
tracefs on /sys/kernel/debug/tracing type tracefs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,relatime)
tmpfs on /run/user/999 type tmpfs (rw,nosuid,nodev,relatime,size=803768k,mode=700,uid=999,gid=999)
gvfsd-fuse on /run/user/999/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=999,group_id=999)
/dev/sda6 on /mnt/boot-sav/sda6 type ext4 (rw,relatime,data=ordered)
/dev/sdc1 on /mnt/boot-sav/sdc1 type fuseblk (rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096)
/dev/sdc2 on /mnt/boot-sav/sdc2 type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/sdc4 on /mnt/boot-sav/sdc4 type fuseblk (rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096)


=================== ls:
/sys/block/sda (filtered):  alignment_offset badblocks bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro sda1 sda5 sda6 size slaves stat subsystem trace uevent
/sys/block/sdb (filtered):  alignment_offset badblocks bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro sdb1 size slaves stat subsystem trace uevent
/sys/block/sdc (filtered):  alignment_offset badblocks bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro sdc1 sdc2 sdc3 sdc4 size slaves stat subsystem trace uevent
/sys/block/sr0 (filtered):  alignment_offset badblocks bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro size slaves stat subsystem trace uevent
/dev (filtered):  autofs block bsg btrfs-control bus cdrom cdrw char console core cpu cpu_dma_latency cuse disk dri drm_dp_aux0 drm_dp_aux1 dvd dvdrw ecryptfs fb0 fd full fuse hidraw0 hpet hugepages hwrng i2c-0 i2c-1 i2c-2 i2c-3 i2c-4 i2c-5 i2c-6 i2c-7 i2c-8 initctl input kmsg kvm lightnvm log mapper mcelog media0 mei0 mem memory_bandwidth mqueue net network_latency network_throughput null port ppp psaux ptmx pts random rfkill rtc rtc0 sda sda1 sda5 sda6 sdb sdb1 sdc sdc1 sdc2 sdc3 sdc4 sg0 sg1 sg2 sg3 shm snapshot snd sr0 stderr stdin stdout tpm0 uhid uinput urandom userio v4l vfio vga_arbiter vhci vhost-net video0 zero
ls /dev/mapper:  control

=================== hexdump -n512 -C /dev/sdc1
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 08 00 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  ff 0f 0e 00 00 00 00 00  |................|
00000030  00 96 00 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  05 b7 50 42 c8 50 42 4e  |..........PB.PBN|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 45 72 72 65  |............Erre|
00000190  75 72 20 6c 65 63 74 75  72 65 20 64 69 73 71 75  |ur lecture disqu|
000001a0  65 00 0d 0a 42 4f 4f 54  4d 47 52 20 63 6f 6d 70  |e...BOOTMGR comp|
000001b0  72 65 73 73 82 00 0d 0a  43 74 72 6c 2b 41 6c 74  |ress....Ctrl+Alt|
000001c0  2b 53 75 70 70 72 20 70  6f 75 72 20 72 65 64 82  |+Suppr pour red.|
000001d0  6d 61 72 72 65 72 0d 0a  00 73 74 61 72 74 0d 0a  |marrer...start..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a2 01 b6 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sdc2
00000000  eb 58 90 4d 53 44 4f 53  35 2e 30 00 02 02 fe 19  |.X.MSDOS5.0.....|
00000010  02 00 00 00 00 f8 00 00  3f 00 ff 00 00 18 0e 00  |........?.......|
00000020  00 20 03 00 01 03 00 00  00 00 00 00 02 00 00 00  |. ..............|
00000030  01 00 06 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  80 01 29 46 19 47 d2 4e  4f 20 4e 41 4d 45 20 20  |..)F.G.NO NAME  |
00000050  20 20 46 41 54 33 32 20  20 20 33 c9 8e d1 bc f4  |  FAT32   3.....|
00000060  7b 8e c1 8e d9 bd 00 7c  88 56 40 88 4e 02 8a 56  |{......|.V@.N..V|
00000070  40 b4 41 bb aa 55 cd 13  72 10 81 fb 55 aa 75 0a  |@.A..U..r...U.u.|
00000080  f6 c1 01 74 05 fe 46 02  eb 2d 8a 56 40 b4 08 cd  |...t..F..-.V@...|
00000090  13 73 05 b9 ff ff 8a f1  66 0f b6 c6 40 66 0f b6  |.s......f...@f..|
000000a0  d1 80 e2 3f f7 e2 86 cd  c0 ed 06 41 66 0f b7 c9  |...?.......Af...|
000000b0  66 f7 e1 66 89 46 f8 83  7e 16 00 75 39 83 7e 2a  |f..f.F..~..u9.~*|
000000c0  00 77 33 66 8b 46 1c 66  83 c0 0c bb 00 80 b9 01  |.w3f.F.f........|
000000d0  00 e8 2c 00 e9 a8 03 a1  f8 7d 80 c4 7c 8b f0 ac  |..,......}..|...|
000000e0  84 c0 74 17 3c ff 74 09  b4 0e bb 07 00 cd 10 eb  |..t.<.t.........|
000000f0  ee a1 fa 7d eb e4 a1 7d  80 eb df 98 cd 16 cd 19  |...}...}........|
00000100  66 60 80 7e 02 00 0f 84  20 00 66 6a 00 66 50 06  |f`.~.... .fj.fP.|
00000110  53 66 68 10 00 01 00 b4  42 8a 56 40 8b f4 cd 13  |Sfh.....B.V@....|
00000120  66 58 66 58 66 58 66 58  eb 33 66 3b 46 f8 72 03  |fXfXfXfX.3f;F.r.|
00000130  f9 eb 2a 66 33 d2 66 0f  b7 4e 18 66 f7 f1 fe c2  |..*f3.f..N.f....|
00000140  8a ca 66 8b d0 66 c1 ea  10 f7 76 1a 86 d6 8a 56  |..f..f....v....V|
00000150  40 8a e8 c0 e4 06 0a cc  b8 01 02 cd 13 66 61 0f  |@............fa.|
00000160  82 74 ff 81 c3 00 02 66  40 49 75 94 c3 42 4f 4f  |.t.....f@Iu..BOO|
00000170  54 4d 47 52 20 20 20 20  00 00 00 00 00 00 00 00  |TMGR    ........|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 0d 0a 45 72  |..............Er|
000001b0  72 2e 20 64 69 73 71 75  65 ff 0d 0a 50 72 65 73  |r. disque...Pres|
000001c0  73 65 7a 20 75 6e 65 20  74 6f 75 63 68 65 20 70  |sez une touche p|
000001d0  6f 75 72 20 72 65 64 82  6d 61 72 72 65 72 0d 0a  |our red.marrer..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  ac 01 ba 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sdc4
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 b8 11 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  ff 07 d6 0e 00 00 00 00  |................|
00000030  00 00 0c 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  12 e5 55 e0 00 56 e0 18  |..........U..V..|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 45 72 72 65  |............Erre|
00000190  75 72 20 6c 65 63 74 75  72 65 20 64 69 73 71 75  |ur lecture disqu|
000001a0  65 00 0d 0a 42 4f 4f 54  4d 47 52 20 63 6f 6d 70  |e...BOOTMGR comp|
000001b0  72 65 73 73 82 00 0d 0a  43 74 72 6c 2b 41 6c 74  |ress....Ctrl+Alt|
000001c0  2b 53 75 70 70 72 20 70  6f 75 72 20 72 65 64 82  |+Suppr pour red.|
000001d0  6d 61 72 72 65 72 0d 0a  00 73 74 61 72 74 0d 0a  |marrer...start..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a2 01 b6 01 00 00 55 aa  |..............U.|
00000200
Partition 1 does not start on physical sector boundary.

=================== df -Th:

Filesystem     Type      Size  Used Avail Use% Mounted on
udev           devtmpfs  3.9G     0  3.9G   0% /dev
tmpfs          tmpfs     785M  9.5M  776M   2% /run
/dev/sdb1      vfat      3.8G  1.5G  2.3G  40% /cdrom
/dev/loop0     squashfs  1.5G  1.5G     0 100% /rofs
aufs           aufs      3.9G   69M  3.8G   2% /
tmpfs          tmpfs     3.9G  172K  3.9G   1% /dev/shm
tmpfs          tmpfs     5.0M  4.0K  5.0M   1% /run/lock
tmpfs          tmpfs     3.9G     0  3.9G   0% /sys/fs/cgroup
tmpfs          tmpfs     3.9G   32K  3.9G   1% /tmp
tmpfs          tmpfs     785M   88K  785M   1% /run/user/999
/dev/sda6      ext4      459G  4.7G  431G   2% /mnt/boot-sav/sda6
/dev/sdc1      fuseblk   450M  402M   49M  90% /mnt/boot-sav/sdc1
/dev/sdc2      vfat       96M   29M   68M  31% /mnt/boot-sav/sdc2
/dev/sdc4      fuseblk   119G   36G   84G  30% /mnt/boot-sav/sdc4

=================== fdisk -l:
Disk /dev/loop0: 1.4 GiB, 1532116992 bytes, 2992416 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xd847e37e

Device     Boot    Start       End   Sectors   Size Id Type
/dev/sda1           2046 992186367 992184322 473.1G  5 Extended
/dev/sda5           2048  15624191  15622144   7.5G 82 Linux swap / Solaris
/dev/sda6       15626240 992186367 976560128 465.7G 83 Linux





Disk /dev/sdb: 3.8 GiB, 4007657472 bytes, 7827456 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x0016abe4

Device     Boot Start     End Sectors  Size Id Type
/dev/sdb1  *     2048 7827455 7825408  3.7G  c W95 FAT32 (LBA)


Disk /dev/sdc: 119.2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: BF845FBD-B3EF-4B4A-BF85-CA7E22B251D9

Device       Start       End   Sectors   Size Type
/dev/sdc1     2048    923647    921600   450M Windows recovery environment
/dev/sdc2   923648   1128447    204800   100M EFI System
/dev/sdc3  1128448   1161215     32768    16M Microsoft reserved
/dev/sdc4  1161216 250068991 248907776 118.7G Microsoft basic data




=================== Suggested repair
The default repair of the Boot-Repair utility would reinstall the grub-efi-amd64-signed of sda6, using the following options:        sdc2/boot/efi,
Additional repair would be performed: unhide-bootmenu-10s   fix-windows-boot use-standard-efi-file


=================== Advice in case of suggested repair
Please disable SecureBoot in the BIOS. Then try again.Do you want to continue?


=================== Final advice in case of suggested repair
Please do not forget to make your BIOS boot on sdc2/efi/.../grub*.efi file!

If your computer reboots directly into Windows, try to change the boot order in your BIOS.
If your BIOS does not allow to change the boot order, change the default boot entry of the Windows bootloader.
For example you can boot into Windows, then type the following command in an admin command prompt:
bcdedit /set {bootmgr} path \EFI\...\grub*.efi


=================== User settings
The settings chosen by the user will not act on the boot.

Contrairement à Babdu89, je ne crois pas qu'il soit nécessaire de refaire l'installation (*). Je pense qu'il devrait suffire d'appliquer la méthode Gesbuklu : https://forum.ubuntu-fr.org/viewtopic.p … #p21468818

(*) c'est vrai que tu aurais dû créer une table de partitionnement GPT au lieu de MSDOS sur ton disque dur mais d'après quelques cas que j'ai pu voir sur ce forum, ça peut marcher comme ça.

Dernière modification par malbo (Le 14/01/2018, à 17:45)

Hors ligne

#5 Le 14/01/2018, à 18:03

Cverine

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonjour Malbo,
Merci pour ta réponse. En somme, j'ai bien compris que je pouvais continuer à installer sur le même disque que Windows, mais si je ne fais rien pour la partition de l'autre disque, est-ce que j'aurai bien la possibilité d'y accéder facilement et y stocker des fichiers ?
Cverine

Hors ligne

#6 Le 14/01/2018, à 18:42

malbo

Re : [résolu]Problème installation dual-boot E5 575Gférents

Je regrette d'avoir commis mon post #4 parce que je ne comprends rien à ce que tu racontes dans le post #5. Je vais me reposer.

Hors ligne

#7 Le 14/01/2018, à 18:45

Cverine

Re : [résolu]Problème installation dual-boot E5 575Gférents

OK, pas de problème. Je n'ai probablement pas été claire. Va te reposer, je continue à chercher des solutions.
Merci d''avoir accordé du temps à ma question.
Cverine

Hors ligne

#8 Le 14/01/2018, à 20:41

??

Re : [résolu]Problème installation dual-boot E5 575Gférents

bonsoir
Tu as installé ton OS où tu voulais, Mais la structure de boot a été mise avec windows.
Alors suis la procédure de réparation avec  le seul disque  proposé, tu y trouveras les fichiers de boot dans la même partition que ceux de windows.

Si tu avais voulu que ces fichiers soient sur l'autre disque, celui-ci aurait du être formaté avec une table de partition gpt  au lieu de dos et avoir une partition fat32.

Dernière modification par ?? (Le 14/01/2018, à 20:47)


Utiliser REFIND au lieu du GRUB https://doc.ubuntu-fr.org/refind . Aidez à vous faire dépanner en suivant le guide et en utilisant les outils de diagnostic J'ai perdu ma gomme. Désolé pour les fautes d'orthographes non corrigées.

Hors ligne

#9 Le 14/01/2018, à 22:44

Cverine

Re : [résolu]Problème installation dual-boot E5 575Gférents

Merci beaucoup pour vos réponses et conseils.
Comme me l'a indiqué ?? j'ai fini la procédure pour finaliser l'installation d'ubuntu et ça a marché.
Je crois que j'ai vu des problèmes là où il n'y en avait pas.

Merci.
Cverine

Hors ligne

#10 Le 15/01/2018, à 08:59

malbo

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonjour,
J'ai l'intention d'ajouter ton modèle Acer Aspire E5-575G-5148 dans la Liste des portables « Acer ». Ce serait intéressant que tu fasses un état des lieux final de ton installation. Pour ce faire, je te prie de démarrer une session de ton Ubuntu fraîchement installé, de faire un Boot-Info depuis cette session en suivant les indications du paragraphe 1.1 Cas où au moins un ubuntu installé sur disque est opérationnel. Et enfin de donner l'URL de ce Boot-Info dans ta réponse.

Hors ligne

#11 Le 15/01/2018, à 09:29

Cverine

Re : [résolu]Problème installation dual-boot E5 575Gférents

ok Malbo, c'est noté. Je fais ça ce soir, je n'ai pas mon ordi person sous la main là tout de suite.
Bonne journée,

Hors ligne

#12 Le 15/01/2018, à 21:14

Cverine

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonjour,
A la demande de Malbo, j'envoie mon dernier boot info,pour conclure la discussion citée en objet.

Merci à tous ceux qui m'ont aidé.
Cverine

Hors ligne

#13 Le 15/01/2018, à 21:50

cqfd93

Re : [résolu]Problème installation dual-boot E5 575Gférents

Bonjour,

Il était inutile d'ouvrir un nouveau sujet. J'ai fusionné les deux sujets.


cqfd93

En ligne

#14 Le 16/01/2018, à 07:45

malbo

Re : [résolu]Problème installation dual-boot E5 575Gférents

Ton Boot-Info est là :

 Boot Info Script 8f991e4 + Boot-Repair extra info      [Boot-Info 25oct2017]


============================= Boot Info Summary: ===============================

 => libparted MBR boot code is installed in the MBR of /dev/sda.
 => No boot loader is installed in the MBR of /dev/sdb.

sda1: __________________________________________________________________________

    File system:       Extended Partition
    Boot sector type:  -
    Boot sector info: 

sda5: __________________________________________________________________________

    File system:       swap
    Boot sector type:  -
    Boot sector info: 

sda6: __________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  Ubuntu 16.04.3 LTS
    Boot files:        /boot/grub/grub.cfg /etc/fstab

sdb1: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sdb2: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  Windows 8/2012: FAT32
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /EFI/ubuntu/grub.cfg /EFI/Boot/bootx64.efi 
                       /EFI/ubuntu/fwupx64.efi /EFI/ubuntu/grubx64.efi 
                       /EFI/ubuntu/mmx64.efi /EFI/ubuntu/shimx64.efi 
                       /EFI/Microsoft/Boot/bootmgfw.efi 
                       /EFI/Microsoft/Boot/bootmgr.efi 
                       /EFI/Microsoft/Boot/memtest.efi

sdb3: __________________________________________________________________________

    File system:       
    Boot sector type:  -
    Boot sector info: 
    Mounting failed:   mount: unknown filesystem type ''

sdb4: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        /Windows/System32/winload.exe

============================ Drive/Partition Info: =============================

Drive: sda _____________________________________________________________________
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sda1               2,046   992,186,367   992,184,322   5 Extended
/dev/sda5               2,048    15,624,191    15,622,144  82 Linux swap / Solaris
/dev/sda6          15,626,240   992,186,367   976,560,128  83 Linux


GUID Partition Table detected, but does not seem to be used.

Partition  Attrs   Start Sector    End Sector  # of Sectors System

Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set

Drive: sdb _____________________________________________________________________
Disk /dev/sdb: 119.2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sdb1                   1 4,294,967,295 4,294,967,295  ee GPT

/dev/sdb1 ends after the last sector of /dev/sdb

GUID Partition Table detected.

Partition  Attrs   Start Sector    End Sector  # of Sectors System
/dev/sdb1   +  R          2,048       923,647       921,600 Windows Recovery Environment (Windows)
/dev/sdb2   +           923,648     1,128,447       204,800 EFI System partition
/dev/sdb3   +         1,128,448     1,161,215        32,768 Microsoft Reserved Partition (Windows)
/dev/sdb4             1,161,216   250,068,991   248,907,776 Data partition (Windows/Linux)

Attributes: R=Required, N=No Block IO, B=Legacy BIOS Bootable, +=More bits set

"blkid" output: ________________________________________________________________

Device           UUID                                   TYPE       LABEL

/dev/sda5        bc642d7e-7250-4353-879f-ba1cd3621bbf   swap       
/dev/sda6        3a7b99d7-b4a3-4da0-832c-5fd853c838e5   ext4       
/dev/sdb1        4E4250C84250B705                       ntfs       
/dev/sdb2        D247-1946                              vfat       
/dev/sdb3                                                          
/dev/sdb4        18E05600E055E512                       ntfs       

========================= "ls -l /dev/disk/by-id" output: ======================

total 0
lrwxrwxrwx 1 root root  9 Jan 15 20:54 ata-HL-DT-ST_DVDRAM_GUE1N_KXSH1511719 -> ../../sr0
lrwxrwxrwx 1 root root  9 Jan 15 21:00 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED -> ../../sdb
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part1 -> ../../sdb1
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part2 -> ../../sdb2
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part3 -> ../../sdb3
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-KINGSTON_RBUSNS8280S3128GH2_50026B736B0325ED-part4 -> ../../sdb4
lrwxrwxrwx 1 root root  9 Jan 15 21:00 ata-ST1000LM035-1RK172_WDE32718 -> ../../sda
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-ST1000LM035-1RK172_WDE32718-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-ST1000LM035-1RK172_WDE32718-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Jan 15 21:00 ata-ST1000LM035-1RK172_WDE32718-part6 -> ../../sda6
lrwxrwxrwx 1 root root  9 Jan 15 21:00 wwn-0x5000c500a7f6dc7a -> ../../sda
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x5000c500a7f6dc7a-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x5000c500a7f6dc7a-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x5000c500a7f6dc7a-part6 -> ../../sda6
lrwxrwxrwx 1 root root  9 Jan 15 20:54 wwn-0x5001480000000000 -> ../../sr0
lrwxrwxrwx 1 root root  9 Jan 15 21:00 wwn-0x502b2a201d1c1b1a -> ../../sdb
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x502b2a201d1c1b1a-part1 -> ../../sdb1
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x502b2a201d1c1b1a-part2 -> ../../sdb2
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x502b2a201d1c1b1a-part3 -> ../../sdb3
lrwxrwxrwx 1 root root 10 Jan 15 21:00 wwn-0x502b2a201d1c1b1a-part4 -> ../../sdb4

================================ Mount points: =================================

Device           Mount_Point              Type       Options

/dev/sda6        /                        ext4       (rw,relatime,errors=remount-ro,data=ordered)
/dev/sdb2        /boot/efi                vfat       (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/sdb4        /media/severine/18E05600E055E512 fuseblk    (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)


=========================== sda6/boot/grub/grub.cfg: ===========================

--------------------------------------------------------------------------------
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}
function recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos6'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
else
  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=fr_FR
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
  set timeout=30
else
  if [ x$feature_timeout_style = xy ] ; then
    set timeout_style=menu
    set timeout=10
  # Fallback normal timeout code in case the timeout_style feature is
  # unavailable.
  else
    set timeout=10
  fi
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
if background_color 44,0,30,0; then
  clear
fi
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
	set gfxpayload="${1}"
	if [ "${1}" = "keep" ]; then
		set vt_handoff=vt.handoff=7
	else
		set vt_handoff=
	fi
}
if [ "${recordfail}" != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode
menuentry 'Ubuntu' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
	recordfail
	load_video
	gfxmode $linux_gfx_mode
	insmod gzio
	if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
	insmod part_msdos
	insmod ext2
	set root='hd0,msdos6'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
	else
	  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
	fi
	linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff
	initrd	/boot/initrd.img-4.13.0-26-generic
}
submenu 'Options avancées pour Ubuntu' $menuentry_id_option 'gnulinux-advanced-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
	menuentry 'Ubuntu, avec Linux 4.13.0-26-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.13.0-26-generic-advanced-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.13.0-26-generic…'
		linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.13.0-26-generic
	}
	menuentry 'Ubuntu, with Linux 4.13.0-26-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.13.0-26-generic-init-upstart-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.13.0-26-generic…'
		linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff init=/sbin/upstart
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.13.0-26-generic
	}
	menuentry 'Ubuntu, with Linux 4.13.0-26-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.13.0-26-generic-recovery-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.13.0-26-generic…'
		linux	/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro recovery nomodeset 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.13.0-26-generic
	}
	menuentry 'Ubuntu, avec Linux 4.10.0-28-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.10.0-28-generic-advanced-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.10.0-28-generic…'
	        linux	/boot/vmlinuz-4.10.0-28-generic root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.10.0-28-generic
	}
	menuentry 'Ubuntu, with Linux 4.10.0-28-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.10.0-28-generic-init-upstart-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.10.0-28-generic…'
	        linux	/boot/vmlinuz-4.10.0-28-generic root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro  quiet splash $vt_handoff init=/sbin/upstart
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.10.0-28-generic
	}
	menuentry 'Ubuntu, with Linux 4.10.0-28-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.10.0-28-generic-recovery-3a7b99d7-b4a3-4da0-832c-5fd853c838e5' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 --hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6  3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		else
		  search --no-floppy --fs-uuid --set=root 3a7b99d7-b4a3-4da0-832c-5fd853c838e5
		fi
		echo	'Chargement de Linux 4.10.0-28-generic…'
	        linux	/boot/vmlinuz-4.10.0-28-generic root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro recovery nomodeset 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.10.0-28-generic
	}
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows Boot Manager (sur /dev/sdc2)' --class windows --class os $menuentry_id_option 'osprober-efi-D247-1946' {
	insmod part_gpt
	insmod fat
	set root='hd2,gpt2'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd2,gpt2 --hint-efi=hd2,gpt2 --hint-baremetal=ahci2,gpt2  D247-1946
	else
	  search --no-floppy --fs-uuid --set=root D247-1946
	fi
	chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
  set timeout=10
fi
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
menuentry 'System setup' $menuentry_id_option 'uefi-firmware' {
	fwsetup
}
### END /etc/grub.d/30_uefi-firmware ###

### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###

### BEGIN /etc/grub.d/41_custom ###
if [ -f  ${config_directory}/custom.cfg ]; then
  source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------

=============================== sda6/etc/fstab: ================================

--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda6 during installation
UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sdc2 during installation
UUID=D247-1946  /boot/efi       vfat    umask=0077      0       1
# swap was on /dev/sda5 during installation
UUID=bc642d7e-7250-4353-879f-ba1cd3621bbf none            swap    sw              0       0
--------------------------------------------------------------------------------

=================== sda6: Location of files loaded by Grub: ====================

           GiB - GB             File                                 Fragment(s)

 179.681449890 = 192.931487744  boot/grub/grub.cfg                             1
   8.989311218 = 9.652199424    boot/vmlinuz-4.10.0-28-generic                 1
 420.214130402 = 451.201486848  boot/vmlinuz-4.13.0-26-generic                 1
 420.470031738 = 451.476258816  boot/vmlinuz-4.13.0-26-generic.efi.signed      2
   8.989311218 = 9.652199424    vmlinuz                                        1
 420.591793060 = 451.606999040  boot/initrd.img-4.10.0-28-generic              3
 420.443355560 = 451.447615488  boot/initrd.img-4.13.0-26-generic              3
 420.591793060 = 451.606999040  initrd.img                                     3
 420.591793060 = 451.606999040  initrd.img.old                                 3

========================== sdb2/EFI/ubuntu/grub.cfg: ===========================

--------------------------------------------------------------------------------
search.fs_uuid 3a7b99d7-b4a3-4da0-832c-5fd853c838e5 root hd0,msdos6 
set prefix=($root)'/boot/grub'
configfile $prefix/grub.cfg
--------------------------------------------------------------------------------

======================== Unknown MBRs/Boot Sectors/etc: ========================


/dev/sdb1: unknown GPT attributes
8000000000000001

/dev/sdb2: unknown GPT attributes
8000000000000000

/dev/sdb3: unknown GPT attributes
8000000000000000


ADDITIONAL INFORMATION :
=================== log of boot-info 20180115_2100 ===================
boot-info version : 4ppa65
boot-sav version : 4ppa65
boot-sav-extra version : 4ppa65
glade2script version : 3.2.3~ppa4
Partition 1 does not start on physical sector boundary.
boot-info is executed in installed-session (Ubuntu 16.04.3 LTS, xenial, Ubuntu, x86_64)
CPU op-mode(s):        32-bit, 64-bit
BOOT_IMAGE=/boot/vmlinuz-4.13.0-26-generic.efi.signed root=UUID=3a7b99d7-b4a3-4da0-832c-5fd853c838e5 ro quiet splash vt.handoff=7

=================== os-prober:
/dev/sda6:L'OS actuellement utilisé - Ubuntu 16.04.3 LTS CurrentSession:linux
/dev/sdb2@/EFI/Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows:efi

=================== blkid:
/dev/sda5: UUID="bc642d7e-7250-4353-879f-ba1cd3621bbf" TYPE="swap" PARTUUID="d847e37e-05"
/dev/sda6: UUID="3a7b99d7-b4a3-4da0-832c-5fd853c838e5" TYPE="ext4" PARTUUID="d847e37e-06"
/dev/sdb1: UUID="4E4250C84250B705" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="e93598c7-bfbf-498d-979f-74f16850bf48"
/dev/sdb2: UUID="D247-1946" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="f1bd0cbb-2cbc-424d-acf3-54f7a68630d3"
/dev/sdb4: UUID="18E05600E055E512" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="ded971db-d7af-4c1d-a9b1-549b2f4dbfb1"
/dev/sdb3: PARTLABEL="Microsoft reserved partition" PARTUUID="c7290206-a5ae-4cad-889d-8c743e09e0ec"


2 disks with OS, 2 OS : 1 Linux, 0 MacOS, 1 Windows, 0 unknown type OS.

Windows not detected by os-prober on sdb4.
Partition 1 does not start on physical sector boundary.
Partition 1 does not start on physical sector boundary.

=================== /etc/grub.d/ :
drwxr-xr-x  2 root root    4096 janv. 13 23:52 grub.d
total 80
-rwxr-xr-x 1 root root  9791 juin  21  2017 00_header
-rwxr-xr-x 1 root root  6258 mars  15  2016 05_debian_theme
-rwxr-xr-x 1 root root 12512 juin  21  2017 10_linux
-rwxr-xr-x 1 root root 11082 juin  21  2017 20_linux_xen
-rwxr-xr-x 1 root root  1992 janv. 28  2016 20_memtest86+
-rwxr-xr-x 1 root root 11692 juin  21  2017 30_os-prober
-rwxr-xr-x 1 root root  1418 juin  21  2017 30_uefi-firmware
-rwxr-xr-x 1 root root   214 juin  21  2017 40_custom
-rwxr-xr-x 1 root root   216 juin  21  2017 41_custom
-rw-r--r-- 1 root root   483 juin  21  2017 README




=================== /etc/default/grub :

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LINUX=""

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"



/boot/efi detected in the fstab of sda6: UUID=D247-1946   (sdb2)
Presence of EFI/Microsoft file detected: /boot/efi/EFI/Microsoft/Boot/bootmgfw.efi
Presence of EFI/Boot file detected: /boot/efi/EFI/Boot/bootx64.efi

=================== efibootmgr -v
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000,0003,2001,2002,2003
Boot0000* UbuntuShimx64	PciRoot(0x0)/Pci(0x17,0x0)/Sata(2,0,0)/HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)A01 ..
Boot0001* Unknown Device: 	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)RC
Boot0002* ubuntu	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)
Boot0003* Windows Boot Manager	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIMicrosoftBootbootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...d................
Boot2001* EFI USB Device	RC
Boot2002* EFI DVD/CDROM	RC
Boot2003* EFI Network	RC

=================== UEFI/Legacy mode:
BIOS is EFI-compatible, and is setup in EFI-mode for this installed-session.
SecureBoot enabled.


=================== PARTITIONS & DISKS:
sda6	: sda,	not-sepboot,	grubenv-ok	grub2,	signed grub-efi ,	update-grub,	64,	with-boot,	is-os,	not--efi--part,	fstab-without-boot,	fstab-has-goodEFI,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot,	apt-get,	grub-install,	with--usr,	fstab-without-usr,	not-sep-usr,	standard,	farbios,	notbiosboot, .
sdb1	: sdb,	not-sepboot,	no-grubenv	nogrub,	no-docgrub,	no-update-grub,	32,	no-boot,	no-os,	not--efi--part,	part-has-no-fstab,	part-has-no-fstab,	no-nt,	no-winload,	recovery-or-hidden,	no-bmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	not-far,	notbiosboot, /mnt/boot-sav/sdb1.
sdb2	: sdb,	not-sepboot,	no-grubenv	nogrub,	no-docgrub,	no-update-grub,	32,	no-boot,	is-os,	is-correct-EFI,	part-has-no-fstab,	part-has-no-fstab,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	not-far,	notbiosboot, /boot/efi.
sdb4	: sdb,	not-sepboot,	no-grubenv	nogrub,	no-docgrub,	no-update-grub,	32,	no-boot,	is-os,	not--efi--part,	part-has-no-fstab,	part-has-no-fstab,	no-nt,	haswinload,	no-recov-nor-hid,	no-bmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	farbios,	notbiosboot, /media/severine/18E05600E055E512.

sda	: not-GPT,	BIOSboot-not-needed,	has-no-EFIpart, 	not-usb,	not-mmc, has-os,	2046 sectors * 512 bytes
sdb	: GPT,	no-BIOS_boot,	has-correctEFI, 	not-usb,	not-mmc, has-os,	2048 sectors * 512 bytes


=================== parted -lm:

BYT;
/dev/sda:1000GB:scsi:512:4096:msdos:ATA ST1000LM035-1RK1:;
1:1048kB:508GB:508GB:::;
5:1049kB:8000MB:7999MB:linux-swap(v1)::;
6:8001MB:508GB:500GB:ext4::;

BYT;
/dev/sdb:128GB:scsi:512:512:gpt:ATA KINGSTON RBUSNS8:;
1:1049kB:473MB:472MB:ntfs:Basic data partition:hidden, diag;
2:473MB:578MB:105MB:fat32:EFI system partition:boot, esp;
3:578MB:595MB:16.8MB::Microsoft reserved partition:msftres;
4:595MB:128GB:127GB:ntfs:Basic data partition:msftdata;

=================== lsblk:
KNAME TYPE FSTYPE   SIZE LABEL
sdb   disk        119,2G
sdb4  part ntfs   118,7G
sdb2  part vfat     100M
sdb3  part           16M
sdb1  part ntfs     450M
sr0   rom          1024M
sda   disk        931,5G
sda5  part swap     7,5G
sda1  part            1K
sda6  part ext4   465,7G

KNAME ROTA RO RM STATE   MOUNTPOINT
sdb      0  0  0 running
sdb4     0  0  0         /media/severine/18E05600E055E512
sdb2     0  0  0         /boot/efi
sdb3     0  0  0
sdb1     0  0  0         /mnt/boot-sav/sdb1
sr0      1  0  1 running
sda      1  0  0 running
sda5     1  0  0         [SWAP]
sda1     1  0  0
sda6     1  0  0         /


=================== mount:
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
udev on /dev type devtmpfs (rw,nosuid,relatime,size=3993544k,nr_inodes=998386,mode=755)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,noexec,relatime,size=803316k,mode=755)
/dev/sda6 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
cgroup on /sys/fs/cgroup/rdma type cgroup (rw,nosuid,nodev,noexec,relatime,rdma)
cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=26,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=14718)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
mqueue on /dev/mqueue type mqueue (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
fusectl on /sys/fs/fuse/connections type fusectl (rw,relatime)
/dev/sdb2 on /boot/efi type vfat (rw,relatime,fmask=0077,dmask=0077,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=803316k,mode=700,uid=1000,gid=1000)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
/dev/sdb4 on /media/severine/18E05600E055E512 type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
/dev/sdb1 on /mnt/boot-sav/sdb1 type fuseblk (rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096)


=================== ls:
/sys/block/sda (filtered):  alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro sda1 sda5 sda6 size slaves stat subsystem trace uevent
/sys/block/sdb (filtered):  alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro sdb1 sdb2 sdb3 sdb4 size slaves stat subsystem trace uevent
/sys/block/sr0 (filtered):  alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight integrity power queue range removable ro size slaves stat subsystem trace uevent
/dev (filtered):  autofs block bsg btrfs-control bus cdrom cdrw char console core cpu cpu_dma_latency cuse disk dri drm_dp_aux0 drm_dp_aux1 dvd dvdrw ecryptfs fb0 fd full fuse hidraw0 hpet hugepages hwrng i2c-0 i2c-1 i2c-2 i2c-3 i2c-4 i2c-5 i2c-6 i2c-7 i2c-8 initctl input kmsg kvm lightnvm log mapper mcelog media0 mei0 mem memory_bandwidth mqueue net network_latency network_throughput null port ppp psaux ptmx pts random rfkill rtc rtc0 sda sda1 sda5 sda6 sdb sdb1 sdb2 sdb3 sdb4 sg0 sg1 sg2 shm snapshot snd sr0 stderr stdin stdout tpm0 tpmrm0 uhid uinput urandom userio v4l vfio vga_arbiter vhci vhost-net vhost-vsock video0 zero
ls /dev/mapper:  control

=================== hexdump -n512 -C /dev/sdb1
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 08 00 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  ff 0f 0e 00 00 00 00 00  |................|
00000030  00 96 00 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  05 b7 50 42 c8 50 42 4e  |..........PB.PBN|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 45 72 72 65  |............Erre|
00000190  75 72 20 6c 65 63 74 75  72 65 20 64 69 73 71 75  |ur lecture disqu|
000001a0  65 00 0d 0a 42 4f 4f 54  4d 47 52 20 63 6f 6d 70  |e...BOOTMGR comp|
000001b0  72 65 73 73 82 00 0d 0a  43 74 72 6c 2b 41 6c 74  |ress....Ctrl+Alt|
000001c0  2b 53 75 70 70 72 20 70  6f 75 72 20 72 65 64 82  |+Suppr pour red.|
000001d0  6d 61 72 72 65 72 0d 0a  00 73 74 61 72 74 0d 0a  |marrer...start..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a2 01 b6 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sdb2
00000000  eb 58 90 4d 53 44 4f 53  35 2e 30 00 02 02 fe 19  |.X.MSDOS5.0.....|
00000010  02 00 00 00 00 f8 00 00  3f 00 ff 00 00 18 0e 00  |........?.......|
00000020  00 20 03 00 01 03 00 00  00 00 00 00 02 00 00 00  |. ..............|
00000030  01 00 06 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  80 01 29 46 19 47 d2 4e  4f 20 4e 41 4d 45 20 20  |..)F.G.NO NAME  |
00000050  20 20 46 41 54 33 32 20  20 20 33 c9 8e d1 bc f4  |  FAT32   3.....|
00000060  7b 8e c1 8e d9 bd 00 7c  88 56 40 88 4e 02 8a 56  |{......|.V@.N..V|
00000070  40 b4 41 bb aa 55 cd 13  72 10 81 fb 55 aa 75 0a  |@.A..U..r...U.u.|
00000080  f6 c1 01 74 05 fe 46 02  eb 2d 8a 56 40 b4 08 cd  |...t..F..-.V@...|
00000090  13 73 05 b9 ff ff 8a f1  66 0f b6 c6 40 66 0f b6  |.s......f...@f..|
000000a0  d1 80 e2 3f f7 e2 86 cd  c0 ed 06 41 66 0f b7 c9  |...?.......Af...|
000000b0  66 f7 e1 66 89 46 f8 83  7e 16 00 75 39 83 7e 2a  |f..f.F..~..u9.~*|
000000c0  00 77 33 66 8b 46 1c 66  83 c0 0c bb 00 80 b9 01  |.w3f.F.f........|
000000d0  00 e8 2c 00 e9 a8 03 a1  f8 7d 80 c4 7c 8b f0 ac  |..,......}..|...|
000000e0  84 c0 74 17 3c ff 74 09  b4 0e bb 07 00 cd 10 eb  |..t.<.t.........|
000000f0  ee a1 fa 7d eb e4 a1 7d  80 eb df 98 cd 16 cd 19  |...}...}........|
00000100  66 60 80 7e 02 00 0f 84  20 00 66 6a 00 66 50 06  |f`.~.... .fj.fP.|
00000110  53 66 68 10 00 01 00 b4  42 8a 56 40 8b f4 cd 13  |Sfh.....B.V@....|
00000120  66 58 66 58 66 58 66 58  eb 33 66 3b 46 f8 72 03  |fXfXfXfX.3f;F.r.|
00000130  f9 eb 2a 66 33 d2 66 0f  b7 4e 18 66 f7 f1 fe c2  |..*f3.f..N.f....|
00000140  8a ca 66 8b d0 66 c1 ea  10 f7 76 1a 86 d6 8a 56  |..f..f....v....V|
00000150  40 8a e8 c0 e4 06 0a cc  b8 01 02 cd 13 66 61 0f  |@............fa.|
00000160  82 74 ff 81 c3 00 02 66  40 49 75 94 c3 42 4f 4f  |.t.....f@Iu..BOO|
00000170  54 4d 47 52 20 20 20 20  00 00 00 00 00 00 00 00  |TMGR    ........|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 0d 0a 45 72  |..............Er|
000001b0  72 2e 20 64 69 73 71 75  65 ff 0d 0a 50 72 65 73  |r. disque...Pres|
000001c0  73 65 7a 20 75 6e 65 20  74 6f 75 63 68 65 20 70  |sez une touche p|
000001d0  6f 75 72 20 72 65 64 82  6d 61 72 72 65 72 0d 0a  |our red.marrer..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  ac 01 ba 01 00 00 55 aa  |..............U.|
00000200

=================== hexdump -n512 -C /dev/sdb4
00000000  eb 52 90 4e 54 46 53 20  20 20 20 00 02 08 00 00  |.R.NTFS    .....|
00000010  00 00 00 00 00 f8 00 00  3f 00 ff 00 00 b8 11 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  ff 07 d6 0e 00 00 00 00  |................|
00000030  00 00 0c 00 00 00 00 00  02 00 00 00 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  12 e5 55 e0 00 56 e0 18  |..........U..V..|
00000050  00 00 00 00 fa 33 c0 8e  d0 bc 00 7c fb 68 c0 07  |.....3.....|.h..|
00000060  1f 1e 68 66 00 cb 88 16  0e 00 66 81 3e 03 00 4e  |..hf......f.>..N|
00000070  54 46 53 75 15 b4 41 bb  aa 55 cd 13 72 0c 81 fb  |TFSu..A..U..r...|
00000080  55 aa 75 06 f7 c1 01 00  75 03 e9 dd 00 1e 83 ec  |U.u.....u.......|
00000090  18 68 1a 00 b4 48 8a 16  0e 00 8b f4 16 1f cd 13  |.h...H..........|
000000a0  9f 83 c4 18 9e 58 1f 72  e1 3b 06 0b 00 75 db a3  |.....X.r.;...u..|
000000b0  0f 00 c1 2e 0f 00 04 1e  5a 33 db b9 00 20 2b c8  |........Z3... +.|
000000c0  66 ff 06 11 00 03 16 0f  00 8e c2 ff 06 16 00 e8  |f...............|
000000d0  4b 00 2b c8 77 ef b8 00  bb cd 1a 66 23 c0 75 2d  |K.+.w......f#.u-|
000000e0  66 81 fb 54 43 50 41 75  24 81 f9 02 01 72 1e 16  |f..TCPAu$....r..|
000000f0  68 07 bb 16 68 52 11 16  68 09 00 66 53 66 53 66  |h...hR..h..fSfSf|
00000100  55 16 16 16 68 b8 01 66  61 0e 07 cd 1a 33 c0 bf  |U...h..fa....3..|
00000110  0a 13 b9 f6 0c fc f3 aa  e9 fe 01 90 90 66 60 1e  |.............f`.|
00000120  06 66 a1 11 00 66 03 06  1c 00 1e 66 68 00 00 00  |.f...f.....fh...|
00000130  00 66 50 06 53 68 01 00  68 10 00 b4 42 8a 16 0e  |.fP.Sh..h...B...|
00000140  00 16 1f 8b f4 cd 13 66  59 5b 5a 66 59 66 59 1f  |.......fY[ZfYfY.|
00000150  0f 82 16 00 66 ff 06 11  00 03 16 0f 00 8e c2 ff  |....f...........|
00000160  0e 16 00 75 bc 07 1f 66  61 c3 a1 f6 01 e8 09 00  |...u...fa.......|
00000170  a1 fa 01 e8 03 00 f4 eb  fd 8b f0 ac 3c 00 74 09  |............<.t.|
00000180  b4 0e bb 07 00 cd 10 eb  f2 c3 0d 0a 45 72 72 65  |............Erre|
00000190  75 72 20 6c 65 63 74 75  72 65 20 64 69 73 71 75  |ur lecture disqu|
000001a0  65 00 0d 0a 42 4f 4f 54  4d 47 52 20 63 6f 6d 70  |e...BOOTMGR comp|
000001b0  72 65 73 73 82 00 0d 0a  43 74 72 6c 2b 41 6c 74  |ress....Ctrl+Alt|
000001c0  2b 53 75 70 70 72 20 70  6f 75 72 20 72 65 64 82  |+Suppr pour red.|
000001d0  6d 61 72 72 65 72 0d 0a  00 73 74 61 72 74 0d 0a  |marrer...start..|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 8a 01  a2 01 b6 01 00 00 55 aa  |..............U.|
00000200
Partition 1 does not start on physical sector boundary.

=================== df -Th:

Filesystem     Type      Size  Used Avail Use% Mounted on
udev           devtmpfs  3.9G     0  3.9G   0% /dev
tmpfs          tmpfs     785M  9.5M  776M   2% /run
/dev/sda6      ext4      459G  4.9G  431G   2% /
tmpfs          tmpfs     3.9G  288K  3.9G   1% /dev/shm
tmpfs          tmpfs     5.0M  4.0K  5.0M   1% /run/lock
tmpfs          tmpfs     3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sdb2      vfat       96M   30M   67M  31% /boot/efi
tmpfs          tmpfs     785M   64K  785M   1% /run/user/1000
/dev/sdb4      fuseblk   119G   36G   84G  30% /media/severine/18E05600E055E512
/dev/sdb1      fuseblk   450M  402M   49M  90% /mnt/boot-sav/sdb1

=================== fdisk -l:
Disk /dev/sda: 931.5 GiB, 1000204886016 bytes, 1953525168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: dos
Disk identifier: 0xd847e37e

Device     Boot    Start       End   Sectors   Size Id Type
/dev/sda1           2046 992186367 992184322 473.1G  5 Extended
/dev/sda5           2048  15624191  15622144   7.5G 82 Linux swap / Solaris
/dev/sda6       15626240 992186367 976560128 465.7G 83 Linux





Disk /dev/sdb: 119.2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: BF845FBD-B3EF-4B4A-BF85-CA7E22B251D9

Device       Start       End   Sectors   Size Type
/dev/sdb1     2048    923647    921600   450M Windows recovery environment
/dev/sdb2   923648   1128447    204800   100M EFI System
/dev/sdb3  1128448   1161215     32768    16M Microsoft reserved
/dev/sdb4  1161216 250068991 248907776 118.7G Microsoft basic data




=================== Suggested repair
The default repair of the Boot-Repair utility would reinstall the grub-efi-amd64-signed of sda6, using the following options:        sdb2/boot/efi,
Additional repair would be performed: unhide-bootmenu-10s   fix-windows-boot use-standard-efi-file


=================== Advice in case of suggested repair
Veuillez désactiver SecureBoot dans le BIOS. Puis réessayez.Voulez-vous continuer ?


=================== Final advice in case of suggested repair
N'oubliez pas de régler votre BIOS pour qu'il amorce sur le fichier sdb2/efi/.../grub*.efi !

Si votre ordinateur redémarre directement sur Windows, essayez de changer l'ordre de démarrage dans votre BIOS.
Si votre BIOS ne permet pas de changer l'ordre de démarrage, changez l'entrée de démarrage par défaut de l'amorceur Windows.
Par exemple, vous pouvez démarrer Windows, puis saisir la commande suivante dans une invite de commande en mode administrateur :
bcdedit /set {bootmgr} path \EFI\...\grub*.efi


=================== User settings
The settings chosen by the user will not act on the boot.

Par comparaison avec le Boot-Info que j'ai collé dans le post #4, je constate que tu as créé une entrée que tu as nommée "UbuntuShimx64" en suivant la procédure de Gesbuklu et que tu as mis cette entrée en priorité de démarrage comme on peut voir dans cet extrait :

=================== efibootmgr -v
BootCurrent: 0000
Timeout: 0 seconds
BootOrder: 0000,0003,2001,2002,2003
Boot0000* UbuntuShimx64	PciRoot(0x0)/Pci(0x17,0x0)/Sata(2,0,0)/HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)A01 ..
Boot0001* Unknown Device: 	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)RC
Boot0002* ubuntu	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIubuntushimx64.efi)
Boot0003* Windows Boot Manager	HD(2,GPT,f1bd0cbb-2cbc-424d-acf3-54f7a68630d3,0xe1800,0x32000)/File(EFIMicrosoftBootbootmgfw.efi)WINDOWS.........x...B.C.D.O.B.J.E.C.T.=.{.9.d.e.a.8.6.2.c.-.5.c.d.d.-.4.e.7.0.-.a.c.c.1.-.f.3.2.b.3.4.4.d.4.7.9.5.}...d................
Boot2001* EFI USB Device	RC
Boot2002* EFI DVD/CDROM	RC
Boot2003* EFI Network	RC

=================== UEFI/Legacy mode:
BIOS is EFI-compatible, and is setup in EFI-mode for this installed-session.
SecureBoot enabled.

On est dans le cas inhabituel d'une installation en mode EFI où la partition racine de Ubuntu (ici c'est sda6) est sur un disque avec table de partition MSDOS alors que dans le cas général, l'installation en mode EFI de Ubuntu se fait avec une partition racine sur un disque avec table de partition GPT.

EDIT : je viens d'ajouter ton modèle Aspire E5-575G-5148 dans la Liste des portables « Acer ». Pour mémoire, ce modèle visible sur cette page est équipé d'un processeur Intel Core i5-7200U et d'une carte graphique dédiée NVIDIA Maxwell GeForce 940MX. Je ne suis pas expert dans le domaine graphique mais je pense qu'actuellement cette carte graphique dédiée n'est pas utilisée par Ubuntu (c'est la partie graphique intégrée sur la même puce que le processeur qui doit se charger de l'affichage de Ubuntu). Si la situation actuelle te convient - en particulier si l'autonomie de ton ordi est satisfaisante et que l'autonomie est un point crucial pour toi - ne change rien. Sinon, crée une nouvelle discussion dans la rubrique "Affichage et cartes graphiques" du forum pour demander de l'aide.

Dernière modification par malbo (Le 16/01/2018, à 09:04)

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