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#1 Le 08/10/2016, à 22:17

Owly

Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Bonjour à tous,

Je suis nouveau dans la communauté GNU/Linux.

Je viens d'installer Ubuntu 16.04 en dual boot avec un Windows 10 mais lors du démarrage du PC, Grub ne s'affiche pas et Windows 10 se lance tranquillement.

Pour l'installation de Ubuntu j'ai fait :
J'ai défragmenté mon disque, puis l'ai partitionné comme ça :

https://s18.postimg.org/4lds7iigp/Captu … _13_39.png



J'ai donc installer Ubuntu sur ma partition en ext4 et cela sans aucun problème.

Mais après... pas de lancement de Grub pour le choix d'OS...

J'ai décocher la case "Démarrage rapide de Windows" mais je ne peux pas changer l'ordre du boot et toujours rien...

Quelqu'un peut-il m'aider ?


Modération : merci d'utiliser des images de petite taille (300x300) ou des miniatures pointant sur ces images (Des hébergeurs comme Toile Libre ou TDCT'Pix le permettent).

Dernière modification par cqfd93 (Le 08/10/2016, à 22:34)

Hors ligne

#2 Le 10/10/2016, à 11:12

malbo

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Bonjour,
C'est quoi ton ordi (modèle, fabricant) ?
Je te prie de démarrer ton ordi sur le support live qui t'a servi pour faire l'installation en sélectionnant "Essayer Ubuntu" afin de faire une session live. Depuis cette session live, faire un Boot-Info et donner l'URL de ce Boot-Info dans ta réponse.

Dernière modification par malbo (Le 10/10/2016, à 11:13)

Hors ligne

#3 Le 10/10/2016, à 19:05

Owly

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

J'ai un HP Pavilion g6-2219sf.

J'ai bien fait la session live (par contre mon Cd est en version 14.04 de Ubuntu et mon Pc est en version 16.04 je ne sais pas si ça change grand chose) et le Boot Info me donne ceci :

http://paste.ubuntu.com/23304084/

Ps : Ayant essayé plusieurs fois de réinstaller Ubuntu, les partitions ne sont plus exactement comme indiqués dans mon message  précédent...

Hors ligne

#4 Le 10/10/2016, à 20:06

Bougron

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Bonsoir.
Essayes de démarrer en appuyant sur la touche Esc puis F9 et tu choisiras le programme /efi/ubuntu/shimx64.efi pour booter ubuntu.

Hors ligne

#5 Le 12/10/2016, à 13:57

Owly

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Oui cette solution marche mais je voudrai qu'il boot directement sur le Grub ou au moins sur Linux...

Hors ligne

#6 Le 12/10/2016, à 19:36

ikewdu

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Salut,

A ma connaissance, on ne peut pas échapper à F9 sur les HP.  Je n'ai pas suivi l'évolution des bios HP, mais ici, on semble donner des pistes :

https://doc.ubuntu-fr.org/uefi#contourn … _windows_8

Il faudrait que j'aie un HP sous la main pour voir comment on peut contourner le blocage.

http://ikewdu.free.fr

Hors ligne

#7 Le 13/10/2016, à 07:50

malbo

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Bonjour,
Ton Boot-Info est là : 

 Boot Info Script cfd9efe + Boot-Repair extra info      [Boot-Info 26Apr2016]


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

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

sda1: __________________________________________________________________________

    File system:       vfat
    Boot sector type:  Windows 8/2012: FAT32
    Boot sector info:  According to the info in the boot sector, sda1 starts 
                       at sector 0. But according to the info from fdisk, 
                       sda1 starts at sector 34.
    Operating System:  
    Boot files:        /EFI/Boot/bkpbootx64.efi /EFI/Boot/bootx64.efi 
                       /EFI/ubuntu/MokManager.efi /EFI/ubuntu/fwupx64.efi 
                       /EFI/ubuntu/grubx64.efi /EFI/ubuntu/shimx64.efi 
                       /EFI/Microsoft/Boot/bootmgfw.efi 
                       /EFI/Microsoft/Boot/bootmgr.efi 
                       /EFI/Microsoft/Boot/memtest.efi 
                       /boot-sav/log/2016-10-08__09h38boot-repair08/sda1/bootx
                       64.efi

sda2: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Windows 8/2012: NTFS
    Boot sector info:  According to the info in the boot sector, sda2 starts 
                       at sector 0. But according to the info from fdisk, 
                       sda2 starts at sector 204800.
    Operating System:  
    Boot files:        /bootmgr /Windows/System32/winload.exe

sda3: __________________________________________________________________________

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

sda4: __________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  Ubuntu 16.04.1 LTS
    Boot files:        /boot/grub/grub.cfg /etc/fstab

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

Drive: sda _____________________________________________________________________

Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes

Partition  Boot  Start Sector    End Sector  # of Sectors  Id System

/dev/sda1                   1 1,953,525,167 1,953,525,167  ee GPT


GUID Partition Table detected.

Partition  Attrs   Start Sector    End Sector  # of Sectors System
/dev/sda1                    34       204,799       204,766 EFI System partition
/dev/sda2               204,800   976,767,299   976,562,500 Data partition (Windows/Linux)
/dev/sda3         1,951,571,968 1,953,523,711     1,951,744 Swap partition (Linux)
/dev/sda4           976,769,024 1,951,571,967   974,802,944 Data partition (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/sda1        C62B-8B07                              vfat       
/dev/sda2        0E2A31342A3119E3                       ntfs       
/dev/sda3        15d92eaf-6f32-4236-8a7b-23213fe2585c   swap       
/dev/sda4        6c25df49-6ee7-4409-bd5e-17a0a80d2ead   ext4       
/dev/sr0                                                iso9660    Ubuntu 14.04.1 LTS amd64

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

total 0
lrwxrwxrwx 1 root root  9 Oct 10 16:55 ata-ST1000LM024_HN-M101MBB_S2SWJ9CC811611 -> ../../sda
lrwxrwxrwx 1 root root 10 Oct 10  2016 ata-ST1000LM024_HN-M101MBB_S2SWJ9CC811611-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Oct 10 16:55 ata-ST1000LM024_HN-M101MBB_S2SWJ9CC811611-part2 -> ../../sda2
lrwxrwxrwx 1 root root 10 Oct 10  2016 ata-ST1000LM024_HN-M101MBB_S2SWJ9CC811611-part3 -> ../../sda3
lrwxrwxrwx 1 root root 10 Oct 10  2016 ata-ST1000LM024_HN-M101MBB_S2SWJ9CC811611-part4 -> ../../sda4
lrwxrwxrwx 1 root root  9 Oct 10  2016 ata-hp_DVDRAM_GT50N_M5A21FK0845 -> ../../sr0
lrwxrwxrwx 1 root root  9 Oct 10 16:55 wwn-0x50004cf20841c321 -> ../../sda
lrwxrwxrwx 1 root root 10 Oct 10  2016 wwn-0x50004cf20841c321-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Oct 10 16:55 wwn-0x50004cf20841c321-part2 -> ../../sda2
lrwxrwxrwx 1 root root 10 Oct 10  2016 wwn-0x50004cf20841c321-part3 -> ../../sda3
lrwxrwxrwx 1 root root 10 Oct 10  2016 wwn-0x50004cf20841c321-part4 -> ../../sda4
lrwxrwxrwx 1 root root  9 Oct 10  2016 wwn-0x5001480000000000 -> ../../sr0

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

Device           Mount_Point              Type       Options

/dev/loop0       /rofs                    squashfs   (ro,noatime)
/dev/sr0         /cdrom                   iso9660    (ro,noatime)


=========================== sda4/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$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_gpt
insmod ext2
set root='hd0,gpt4'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
else
  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
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-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
	recordfail
	load_video
	gfxmode $linux_gfx_mode
	insmod gzio
	if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
	insmod part_gpt
	insmod ext2
	set root='hd0,gpt4'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
	else
	  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
	fi
	linux	/boot/vmlinuz-4.4.0-41-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro  quiet splash $vt_handoff
	initrd	/boot/initrd.img-4.4.0-41-generic
}
submenu 'Options avancées pour Ubuntu' $menuentry_id_option 'gnulinux-advanced-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
	menuentry 'Ubuntu, avec Linux 4.4.0-41-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-41-generic-advanced-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		set root='hd0,gpt4'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		else
		  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		fi
		echo	'Chargement de Linux 4.4.0-41-generic…'
		linux	/boot/vmlinuz-4.4.0-41-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.4.0-41-generic
	}
	menuentry 'Ubuntu, with Linux 4.4.0-41-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-41-generic-init-upstart-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		set root='hd0,gpt4'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		else
		  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		fi
		echo	'Chargement de Linux 4.4.0-41-generic…'
		linux	/boot/vmlinuz-4.4.0-41-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro  quiet splash $vt_handoff init=/sbin/upstart
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.4.0-41-generic
	}
	menuentry 'Ubuntu, with Linux 4.4.0-41-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-4.4.0-41-generic-recovery-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		set root='hd0,gpt4'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		else
		  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		fi
		echo	'Chargement de Linux 4.4.0-41-generic…'
		linux	/boot/vmlinuz-4.4.0-41-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro recovery nomodeset 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-4.4.0-41-generic
	}
	menuentry 'Ubuntu, avec Linux 3.13.0-97-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.13.0-97-generic-advanced-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		set root='hd0,gpt4'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		else
		  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		fi
		echo	'Chargement de Linux 3.13.0-97-generic…'
		linux	/boot/vmlinuz-3.13.0-97-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-3.13.0-97-generic
	}
	menuentry 'Ubuntu, with Linux 3.13.0-97-generic (upstart)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.13.0-97-generic-init-upstart-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
		recordfail
		load_video
		gfxmode $linux_gfx_mode
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		set root='hd0,gpt4'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		else
		  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		fi
		echo	'Chargement de Linux 3.13.0-97-generic…'
		linux	/boot/vmlinuz-3.13.0-97-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro  quiet splash $vt_handoff init=/sbin/upstart
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-3.13.0-97-generic
	}
	menuentry 'Ubuntu, with Linux 3.13.0-97-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.13.0-97-generic-recovery-6c25df49-6ee7-4409-bd5e-17a0a80d2ead' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_gpt
		insmod ext2
		set root='hd0,gpt4'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt4 --hint-efi=hd0,gpt4 --hint-baremetal=ahci0,gpt4  6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		else
		  search --no-floppy --fs-uuid --set=root 6c25df49-6ee7-4409-bd5e-17a0a80d2ead
		fi
		echo	'Chargement de Linux 3.13.0-97-generic…'
		linux	/boot/vmlinuz-3.13.0-97-generic.efi.signed root=UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead ro recovery nomodeset 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-3.13.0-97-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/sda1)' --class windows --class os $menuentry_id_option 'osprober-efi-C62B-8B07' {
	insmod part_gpt
	insmod fat
	set root='hd0,gpt1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,gpt1 --hint-efi=hd0,gpt1 --hint-baremetal=ahci0,gpt1  C62B-8B07
	else
	  search --no-floppy --fs-uuid --set=root C62B-8B07
	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 ###
--------------------------------------------------------------------------------

=============================== sda4/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/sda4 during installation
UUID=6c25df49-6ee7-4409-bd5e-17a0a80d2ead /               ext4    errors=remount-ro 0       1
# /boot/efi was on /dev/sda1 during installation
UUID=C62B-8B07  /boot/efi       vfat    defaults        0       1
# swap was on /dev/sda3 during installation
UUID=15d92eaf-6f32-4236-8a7b-23213fe2585c none            swap    sw              0       0
--------------------------------------------------------------------------------

=================== sda4: Location of files loaded by Grub: ====================

           GiB - GB             File                                 Fragment(s)

 845.899646759 = 908.277829632  boot/grub/grub.cfg                             1
 475.898010254 = 510.991597568  boot/vmlinuz-3.13.0-97-generic                 1
 466.298824310 = 500.684550144  boot/vmlinuz-3.13.0-97-generic.efi.signed      2
 480.422584534 = 515.849822208  boot/vmlinuz-4.4.0-41-generic                  1
 466.613990784 = 501.022957568  boot/vmlinuz-4.4.0-41-generic.efi.signed       2
 480.422584534 = 515.849822208  vmlinuz                                        1
 475.898010254 = 510.991597568  vmlinuz.old                                    1
 476.568511963 = 511.711543296  boot/initrd.img-3.13.0-97-generic              2
 846.095699310 = 908.488339456  boot/initrd.img-4.4.0-41-generic               2
 846.095699310 = 908.488339456  initrd.img                                     2
 476.568511963 = 511.711543296  initrd.img.old                                 2

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

File descriptor 9 (/proc/13100/mounts) leaked on lvs invocation. Parent PID 20118: bash
File descriptor 63 (pipe:[49937]) leaked on lvs invocation. Parent PID 20118: bash
  No volume groups found

ADDITIONAL INFORMATION :
=================== log of boot-info 2016-10-10__16h55 ===================
boot-info version : 4ppa38
boot-sav version : 4ppa38
glade2script version : 3.2.3~ppa1
boot-sav-extra version : 4ppa38
boot-info is executed in live-session (Ubuntu 14.04.1 LTS, trusty, 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

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


=================== os-prober:
/dev/sda1@/efi/Microsoft/Boot/bootmgfw.efi:Windows Boot Manager:Windows:efi
/dev/sda4:Ubuntu 16.04.1 LTS (16.04):Ubuntu:linux

=================== blkid:
/dev/loop0: TYPE="squashfs"
/dev/sda1: UUID="C62B-8B07" TYPE="vfat"
/dev/sda2: UUID="0E2A31342A3119E3" TYPE="ntfs"
/dev/sda3: UUID="15d92eaf-6f32-4236-8a7b-23213fe2585c" TYPE="swap"
/dev/sda4: UUID="6c25df49-6ee7-4409-bd5e-17a0a80d2ead" TYPE="ext4"
/dev/sr0: LABEL="Ubuntu 14.04.1 LTS amd64" TYPE="iso9660"


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

Windows not detected by os-prober on sda2.

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util sfdisk doesn't support GPT. Use GNU Parted.


WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.

Presence of EFI/Microsoft file detected: /mnt/boot-sav/sda1/EFI/Microsoft/Boot/bootmgfw.efi
Presence of EFI/Boot file detected: /mnt/boot-sav/sda1/EFI/Boot/bkpbootx64.efi
Presence of EFI/Boot file detected: /mnt/boot-sav/sda1/EFI/Boot/bootx64.efi
Presence of bkp file detected: /mnt/boot-sav/sda1/EFI/Boot/bkpbootx64.efi

=================== sda4/etc/grub.d/ :
drwxr-xr-x  2 root root      4096 Oct  9 10:42 grub.d
total 76
-rwxr-xr-x 1 root root  9791 Aug  2 07:27 00_header
-rwxr-xr-x 1 root root  6258 Mar 15  2016 05_debian_theme
-rwxr-xr-x 1 root root 12261 Oct  6 22:10 10_linux
-rwxr-xr-x 1 root root 11082 Oct  6 22:10 20_linux_xen
-rwxr-xr-x 1 root root  1992 Mar 12  2014 20_memtest86+
-rwxr-xr-x 1 root root 11692 May 15  2014 30_os-prober
-rwxr-xr-x 1 root root  1418 Aug  2 07:27 30_uefi-firmware
-rwxr-xr-x 1 root root   214 May 15  2014 40_custom
-rwxr-xr-x 1 root root   216 May 15  2014 41_custom
-rw-r--r-- 1 root root   483 May 15  2014 README




=================== sda4/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 sda4: UUID=C62B-8B07   (sda1)

=================== efibootmgr -v
BootCurrent: 0002
Timeout: 0 seconds
BootOrder: 2002,3005,3000,3001,2001,2003
Boot0000* ubuntu	HD(1,22,31fde,a7cf7e3f-36fa-479c-ab27-9f9095038e52)File(EFIubuntushimx64.efi)
Boot0001* Ubuntu	HD(1,22,31fde,a7cf7e3f-36fa-479c-ab27-9f9095038e52)File(EFIubuntugrubx64.efi)RC
Boot0002* Internal CD/DVD ROM Drive (UEFI)	ACPI(a0341d0,0)PCI(1f,2)03120a00040000000000CD-ROM(1,76991,1240)RC
Boot0005* Windows Boot Manager	HD(1,22,31fde,a7cf7e3f-36fa-479c-ab27-9f9095038e52)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.}...M................
Boot2001* USB Drive (UEFI)	RC
Boot2002* Internal CD/DVD ROM Drive (UEFI)	RC
Boot3000* Internal Hard Disk	RC
Boot3001* Internal Hard Disk	RC
Boot3005* Internal Hard Disk	RC

=================== UEFI/Legacy mode:
BIOS is EFI-compatible, and is setup in EFI-mode for this live-session.
SecureBoot disabled. (maybe sec-boot, Please report this message to boot.repair@gmail.com)


=================== PARTITIONS & DISKS:
sda1	: sda,	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,	/mnt/boot-sav/sda1.
sda2	: sda,	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,	bootmgr,	notwinboot,	nopakmgr,	nogrubinstall,	no---usr,	part-has-no-fstab,	not-sep-usr,	standard,	farbios,	/mnt/boot-sav/sda2.
sda4	: 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,	/mnt/boot-sav/sda4.

sda	: GPT,	no-BIOS_boot,	has-correctEFI, 	not-usb,	has-os,	34 sectors * 512 bytes


=================== parted -l:

Model: ATA ST1000LM024 HN-M (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt

Number  Start   End     Size   File system     Name  Flags
1      17.4kB  105MB   105MB  fat32                 boot
2      105MB   500GB   500GB  ntfs                  msftdata
4      500GB   999GB   499GB  ext4
3      999GB   1000GB  999MB  linux-swap(v1)


Warning: Unable to open /dev/sr0 read-write (Read-only file system).  /dev/sr0 has been opened read-only.
Error: Can't have a partition outside the disk!

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

BYT;
/dev/sda:1000GB:scsi:512:4096:gpt:ATA ST1000LM024 HN-M;
1:17.4kB:105MB:105MB:fat32::boot;
2:105MB:500GB:500GB:ntfs::msftdata;
4:500GB:999GB:499GB:ext4::;
3:999GB:1000GB:999MB:linux-swap(v1)::;

Warning: Unable to open /dev/sr0 read-write (Read-only file system).  /dev/sr0 has been opened read-only.
Error: Can't have a partition outside the disk!

=================== lsblk:
KNAME TYPE FSTYPE     SIZE LABEL
sda   disk          931.5G
sda1  part vfat       100M
sda2  part ntfs     465.7G
sda3  part swap       953M
sda4  part ext4     464.8G
sr0   rom  iso9660    981M Ubuntu 14.04.1 LTS amd64
loop0 loop squashfs 938.7M

KNAME ROTA RO RM STATE   MOUNTPOINT
sda      1  0  0 running
sda1     1  0  0         /mnt/boot-sav/sda1
sda2     1  0  0         /mnt/boot-sav/sda2
sda3     1  0  0         [SWAP]
sda4     1  0  0         /mnt/boot-sav/sda4
sr0      1  0  1 running /cdrom
loop0    1  1  0         /rofs


=================== mount:
/cow on / type overlayfs (rw)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
/dev/sr0 on /cdrom type iso9660 (ro,noatime)
/dev/loop0 on /rofs type squashfs (ro,noatime)
none on /sys/fs/cgroup type tmpfs (rw)
none on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
none on /sys/firmware/efi/efivars type efivarfs (rw)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755)
none on /sys/fs/pstore type pstore (rw)
systemd on /sys/fs/cgroup/systemd type cgroup (rw,noexec,nosuid,nodev,none,name=systemd)
gvfsd-fuse on /run/user/999/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=ubuntu)
gvfsd-fuse on /home/ubuntu/.gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev)
/dev/sda1 on /mnt/boot-sav/sda1 type vfat (rw)
/dev/sda2 on /mnt/boot-sav/sda2 type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
/dev/sda4 on /mnt/boot-sav/sda4 type ext4 (rw)


=================== ls:
/sys/block/sda (filtered):  alignment_offset bdi capability dev device discard_alignment events events_async events_poll_msecs ext_range holders inflight power queue range removable ro sda1 sda2 sda3 sda4 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 power queue range removable ro size slaves stat subsystem trace uevent
/dev (filtered):  autofs block bsg btrfs-control bus cdrom char console core cpu cpu_dma_latency cuse disk dri ecryptfs fb0 fd freefall full fuse hidraw0 hidraw1 hpet input kmsg log mapper mcelog mei mem net network_latency network_throughput null port ppp psaux ptmx pts random rfkill rtc rtc0 sda sda1 sda2 sda3 sda4 sg0 sg1 shm snapshot snd sr0 stderr stdin stdout uhid uinput urandom usb v4l vga_arbiter vhci vhost-net video0 zero
ls /dev/mapper:  control

=================== hexdump -n512 -C /dev/sda1
00000000  eb 58 90 4d 53 44 4f 53  35 2e 30 00 02 02 20 00  |.X.MSDOS5.0... .|
00000010  02 00 00 00 00 f8 00 00  3f 00 ff 00 00 00 00 00  |........?.......|
00000020  de 1f 03 00 1a 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 07 8b 2b c6 4e  4f 20 4e 41 4d 45 20 20  |..)..+.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/sda2
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 00 00 00  |........?.......|
00000020  00 00 00 00 80 00 80 00  38 29 35 3a 00 00 00 00  |........8)5:....|
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  e3 19 31 2a 34 31 2a 0e  |..........1*41*.|
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

WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


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

Filesystem     Type       Size  Used Avail Use% Mounted on
/cow           overlayfs  1.9G   95M  1.8G   5% /
udev           devtmpfs   1.9G   12K  1.9G   1% /dev
tmpfs          tmpfs      385M  1.2M  384M   1% /run
/dev/sr0       iso9660    981M  981M     0 100% /cdrom
/dev/loop0     squashfs   939M  939M     0 100% /rofs
none           tmpfs      4.0K     0  4.0K   0% /sys/fs/cgroup
tmpfs          tmpfs      1.9G  1.3M  1.9G   1% /tmp
none           tmpfs      5.0M     0  5.0M   0% /run/lock
none           tmpfs      1.9G   76K  1.9G   1% /run/shm
none           tmpfs      100M   68K  100M   1% /run/user
/dev/sda1      vfat       100M   31M   69M  32% /mnt/boot-sav/sda1
/dev/sda2      fuseblk    466G   16G  450G   4% /mnt/boot-sav/sda2
/dev/sda4      ext4       458G  6.7G  428G   2% /mnt/boot-sav/sda4

=================== fdisk -l:

Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 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
Disk identifier: 0x0b4a568c

Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1  1953525167   976762583+  ee  GPT
Partition 1 does not start on physical sector boundary.


Partition outside the disk detected.


=================== Suggested repair
The default repair of the Boot-Repair utility would reinstall the grub-efi-amd64-signed of sda4, using the following options:        sda1/boot/efi,
Additional repair would be performed: unhide-bootmenu-10s   fix-windows-boot use-standard-efi-file  restore-efi-backups


=================== Final advice in case of suggested repair


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.

Dans le lien donné par ikewdu, tu peux lire dans la note qui se trouve tout au début : "Cette méthode de contournement du bridage des ordis HP est à réserver aux utilisateurs confirmés.". Si tu n'es pas habitué à Linux et aux lignes de commande, je te déconseille de te lancer là-dedans. Tu regretterais la touche F9...

Dernière modification par malbo (Le 13/10/2016, à 07:52)

Hors ligne

#8 Le 13/10/2016, à 09:11

ikewdu

Re : Grub ne s'affiche pas au demarrage Dual boot Ubuntu 16.04 / Windows 10

Je suis bien d'accord... Tapoter F9 n'est pas une contrainte exceptionnelle. Les propositions de mises à jour de bios (autrement appelées flashages) sont tout de même périlleuses.

http://ikewdu.free.fr

Hors ligne

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