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Double Boot inopérant après changement de Carte Mère

Robert Algoud

Bonjour,

Comme dit dans le titre, j'ai changé de carte mère.
Problème (attendu), l'ancienne avait un BIOS classique, la nouvelle un UEFI.
Mon XUBUNTU 20.04 est sur un DD et a redémarré sans problème.
Pour ma partition WIN 7 qui est sur un deuxième DD, message d'erreur au démarrage, on me demande de réparer le secteur d'amorçage.

Le Boot Info de mon PC :

boot-info-4ppa125                                              [20201101_1736]

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

RAID set "isw_biecehiggf_Volume0" is not active
 => Windows 7/8/2012 is installed in the MBR of /dev/sda.
 => No boot loader is installed in the MBR of /dev/sdb.
 => Grub2 (v2.00) is installed in the MBR of /dev/sdd and looks at sector 1 of 
    the same hard drive for core.img. core.img is at this location and looks 
    for (,msdos1)/boot/grub. It also embeds following components:
    
    modules
    ---------------------------------------------------------------------------
    fshelp ext2 part_msdos biosdisk
    ---------------------------------------------------------------------------

sda1: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Unknown
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sdb1: __________________________________________________________________________

    File system:       ntfs
    Boot sector type:  Unknown
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sdd1: __________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  Ubuntu 20.04.1 LTS
    Boot files:        /boot/grub/grub.cfg /etc/fstab /etc/default/grub 
                       /boot/grub/i386-pc/core.img

sdd2: __________________________________________________________________________

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

sdd5: __________________________________________________________________________

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

sdd3: __________________________________________________________________________

    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:        


================================ 2 OS detected =================================

OS#1:   L'OS actuellement utilisé - Ubuntu 20.04.1 LTS CurrentSession on sdd1
OS#2:   Windows 7 on sdc1

============================ Architecture/Host Info ============================

CPU architecture: 64-bit
BOOT_IMAGE of the installed session in use:
/boot/vmlinuz-5.4.0-52-generic root=UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 ro quiet splash vt.handoff=7


===================================== UEFI =====================================

This installed-session is not in EFI-mode.
EFI in dmesg.
[    0.024385] ACPI: UEFI 0x00000000DDC103A8 000042 (v01 ALASKA A M I    01072009      00000000)



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

Disks info: ____________________________________________________________________

sdd	: notGPT,	no-BIOSboot,	has-noESP, 	not-usb,	not-mmc, has-os,	2048 sectors * 512 bytes
sdb	: is-GPT,	no-BIOSboot,	has-noESP, 	not-usb,	not-mmc, no-os,	2048 sectors * 512 bytes
sda	: notGPT,	no-BIOSboot,	has-noESP, 	not-usb,	not-mmc, no-os,	2048 sectors * 512 bytes
sdc	: notGPT,	no-BIOSboot,	has-noESP, 	not-usb,	not-mmc, has-os,	2048 sectors * 512 bytes

Partitions info (1/3): _________________________________________________________

sdd1	: is-os,	64, apt-get,	grub-pc ,	grub2,	grub-install,	grubenv-ok,	update-grub,	not-far
sdb1	: no-os,	32, nopakmgr,	no-docgrub,	nogrub,	nogrubinstall,	no-grubenv,	noupdategrub,	farbios
sda1	: no-os,	32, nopakmgr,	no-docgrub,	nogrub,	nogrubinstall,	no-grubenv,	noupdategrub,	farbios
sdd3	: no-os,	32, nopakmgr,	no-docgrub,	nogrub,	nogrubinstall,	no-grubenv,	noupdategrub,	farbios
sdc1	: is-os,	32, nopakmgr,	no-docgrub,	nogrub,	nogrubinstall,	no-grubenv,	noupdategrub,	farbios

Partitions info (2/3): _________________________________________________________

sdd1	: isnotESP,	fstab-without-efi,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot
sdb1	: isnotESP,	part-has-no-fstab,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot
sda1	: isnotESP,	part-has-no-fstab,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot
sdd3	: isnotESP,	part-has-no-fstab,	no-nt,	no-winload,	no-recov-nor-hid,	no-bmgr,	notwinboot
sdc1	: isnotESP,	part-has-no-fstab,	no-nt,	haswinload,	no-recov-nor-hid,	bootmgr,	is-winboot

Partitions info (3/3): _________________________________________________________

sdd1	: not-sepboot,	with-boot,	fstab-without-boot,	not-sep-usr,	with--usr,	fstab-without-usr,	std-grub.d,	sdd
sdb1	: not-sepboot,	no-boot,	part-has-no-fstab,	not-sep-usr,	no---usr,	part-has-no-fstab,	std-grub.d,	sdb
sda1	: not-sepboot,	no-boot,	part-has-no-fstab,	not-sep-usr,	no---usr,	part-has-no-fstab,	std-grub.d,	sda
sdd3	: maybesepboot,	no-boot,	part-has-no-fstab,	not-sep-usr,	no---usr,	part-has-no-fstab,	std-grub.d,	sdd
sdc1	: not-sepboot,	no-boot,	part-has-no-fstab,	not-sep-usr,	no---usr,	part-has-no-fstab,	std-grub.d,	sdc

fdisk -l (filtered): ___________________________________________________________

Disk sdb: 465.78 GiB, 500107862016 bytes, 976773168 sectors
Disk identifier: 6BBEAC98-F598-41AD-9692-65C4CD519F15
      Start       End   Sectors   Size Type
sdb1   2048 976773119 976771072 465.8G Microsoft basic data
Disk sda: 465.78 GiB, 500107862016 bytes, 976773168 sectors
Disk identifier: 0x000c180c
      Boot Start       End   Sectors   Size Id Type
sda1        2048 976773119 976771072 465.8G  7 HPFS/NTFS/exFAT
Disk sdd: 298.9 GiB, 320072933376 bytes, 625142448 sectors
Disk identifier: 0x1549f232
      Boot     Start       End   Sectors   Size Id Type
sdd1  *         2048 117185641 117183594  55.9G 83 Linux
sdd2       117188606 132810751  15622146   7.5G  5 Extended
sdd3       132810752 625141759 492331008 234.8G 83 Linux
sdd5       117188608 132810751  15622144   7.5G 82 Linux swap / Solaris
Partition table entries are not in disk order.
Disk sdc: 232.91 GiB, 250059350016 bytes, 488397168 sectors
Disk identifier: 0x1e0edbcd
      Boot Start       End   Sectors   Size Id Type
sdc1  *     2048 488396799 488394752 232.9G  7 HPFS/NTFS/exFAT

parted -lm (filtered): _________________________________________________________

sda:500GB:scsi:512:512:msdos:ATA Hitachi HDS72105:;
1:1049kB:500GB:500GB:ntfs::;
sdb:500GB:scsi:512:512:gpt:ATA WDC WD5000AAKX-2:;
1:1049kB:500GB:500GB:ntfs::msftdata;
sdc:250GB:scsi:512:512:msdos:ATA ST3250310AS:;
1:1049kB:250GB:250GB:ntfs::boot;
sdd:320GB:scsi:512:512:msdos:ATA WDC WD3200JS-60P:;
1:1049kB:60.0GB:60.0GB:ext4::boot;
2:60.0GB:68.0GB:7999MB:::;
5:60.0GB:68.0GB:7999MB:linux-swap(v1)::;
3:68.0GB:320GB:252GB:ext4::;

blkid (filtered): ______________________________________________________________

NAME   FSTYPE          UUID                                 PARTUUID                             LABEL           PARTLABEL
sda                                                                                                              
└─sda1 ntfs            11259BD4186C53BF                     000c180c-01                          Données Perso 2 
sdb                                                                                                              
└─sdb1 ntfs            506B4AFC65396555                     862d5843-1b38-4e05-9937-db285618b6bf Données Perso   Données Perso
sdc    isw_raid_member                                                                                           
└─sdc1 ntfs            368AB28F8AB24B5F                     1e0edbcd-01                                          
sdd                                                                                                              
├─sdd1 ext4            02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 1549f232-01                                          
├─sdd2                                                      1549f232-02                                          
├─sdd3 ext4            c5e99784-d5a1-4c87-a4d7-49a221ea6d02 1549f232-03                                          
└─sdd5 swap            3a0eb15a-a7cc-498c-9847-527322a49982 1549f232-05                                          

df (filtered): _________________________________________________________________

        Avail Use% Mounted on
sda1   293.8G  37% /mnt/boot-sav/sda1
sdb1   241.8G  48% /mnt/boot-sav/sdb1
sdc1   119.4G  49% /mnt/boot-sav/sdc1
sdd1    40.8G  20% /
sdd3   122.3G  42% /home

Mount options: __________________________________________________________________

sda1   rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sdb1   rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sdc1   rw,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sdd1   rw,relatime,errors=remount-ro
sdd3   rw,relatime

====================== sdd1/boot/grub/grub.cfg (filtered) ======================

Ubuntu   02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
Ubuntu, avec Linux 5.4.0-52-generic   02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
Ubuntu, avec Linux 5.4.0-51-generic   02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
Windows 7 (sur sdc1)   368AB28F8AB24B5F
### END /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_uefi-firmware ###

========================== sdd1/etc/fstab (filtered) ===========================

# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/sda1 during installation
UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 /               ext4    errors=remount-ro 0       1
# /home was on /dev/sda3 during installation
UUID=c5e99784-d5a1-4c87-a4d7-49a221ea6d02 /home           ext4    defaults        0       2
# swap was on /dev/sda5 during installation
UUID=3a0eb15a-a7cc-498c-9847-527322a49982 none            swap    sw              0       0

======================= sdd1/etc/default/grub (filtered) =======================

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

==================== sdd1: Location of files loaded by Grub ====================

           GiB - GB             File                                 Fragment(s)
   2,489311218 = 2,672877568    boot/grub/grub.cfg                             2
  30,234924316 = 32,464502784   boot/grub/i386-pc/core.img                     1
   6,675914764 = 7,168208896    boot/vmlinuz                                   1
   3,964977264 = 4,257361920    boot/vmlinuz-5.4.0-51-generic                  1
   6,675914764 = 7,168208896    boot/vmlinuz-5.4.0-52-generic                  1
   3,964977264 = 4,257361920    boot/vmlinuz.old                               1
   8,045116425 = 8,638377984    boot/initrd.img                                4
   3,641033173 = 3,909529600    boot/initrd.img-5.4.0-51-generic               3
   8,045116425 = 8,638377984    boot/initrd.img-5.4.0-52-generic               4
   3,641033173 = 3,909529600    boot/initrd.img.old                            3

===================== sdd1: ls -l /etc/grub.d/ (filtered) ======================

-rwxr-xr-x 1 root root 17622 sept.  8 12:24 10_linux
-rwxr-xr-x 1 root root 42359 sept.  8 12:24 10_linux_zfs
-rwxr-xr-x 1 root root 12894 juil. 31 02:34 20_linux_xen
-rwxr-xr-x 1 root root 12059 juil. 31 02:34 30_os-prober
-rwxr-xr-x 1 root root  1424 juil. 31 02:34 30_uefi-firmware
-rwxr-xr-x 1 root root   214 juil. 31 02:34 40_custom
-rwxr-xr-x 1 root root   216 juil. 31 02:34 41_custom


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

Unknown BootLoader on sda1

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 57 38 3a 00 00 00 00  |.........W8:....|
00000030  04 00 00 00 00 00 00 00  7f 85 a3 03 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  bf 53 6c 18 d4 9b 25 11  |.........Sl...%.|
00000050  00 00 00 00 0e 1f be 71  7c ac 22 c0 74 0b 56 b4  |.......q|.".t.V.|
00000060  0e bb 07 00 cd 10 5e eb  f0 32 e4 cd 16 cd 19 eb  |......^..2......|
00000070  fe 54 68 69 73 20 69 73  20 6e 6f 74 20 61 20 62  |.This is not a b|
00000080  6f 6f 74 61 62 6c 65 20  64 69 73 6b 2e 20 50 6c  |ootable disk. Pl|
00000090  65 61 73 65 20 69 6e 73  65 72 74 20 61 20 62 6f  |ease insert a bo|
000000a0  6f 74 61 62 6c 65 20 66  6c 6f 70 70 79 20 61 6e  |otable floppy an|
000000b0  64 0d 0a 70 72 65 73 73  20 61 6e 79 20 6b 65 79  |d..press any key|
000000c0  20 74 6f 20 74 72 79 20  61 67 61 69 6e 20 2e 2e  | to try again ..|
000000d0  2e 20 0d 0a 00 00 00 00  00 00 00 00 00 00 00 00  |. ..............|
000000e0  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  00 00 00 00 00 00 55 aa  |..............U.|
00000200

Unknown BootLoader on 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 57 38 3a 00 00 00 00  |.........W8:....|
00000030  04 00 00 00 00 00 00 00  7f 85 a3 03 00 00 00 00  |................|
00000040  f6 00 00 00 01 00 00 00  55 65 39 65 fc 4a 6b 50  |........Ue9e.JkP|
00000050  00 00 00 00 0e 1f be 71  7c ac 22 c0 74 0b 56 b4  |.......q|.".t.V.|
00000060  0e bb 07 00 cd 10 5e eb  f0 32 e4 cd 16 cd 19 eb  |......^..2......|
00000070  fe 54 68 69 73 20 69 73  20 6e 6f 74 20 61 20 62  |.This is not a b|
00000080  6f 6f 74 61 62 6c 65 20  64 69 73 6b 2e 20 50 6c  |ootable disk. Pl|
00000090  65 61 73 65 20 69 6e 73  65 72 74 20 61 20 62 6f  |ease insert a bo|
000000a0  6f 74 61 62 6c 65 20 66  6c 6f 70 70 79 20 61 6e  |otable floppy an|
000000b0  64 0d 0a 70 72 65 73 73  20 61 6e 79 20 6b 65 79  |d..press any key|
000000c0  20 74 6f 20 74 72 79 20  61 67 61 69 6e 20 2e 2e  | to try again ..|
000000d0  2e 20 0d 0a 00 00 00 00  00 00 00 00 00 00 00 00  |. ..............|
000000e0  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  00 00 00 00 00 00 55 aa  |..............U.|
00000200


========= Devices which don't seem to have a corresponding hard drive ==========

{All_DMRaid} 

=============================== StdErr Messages ================================

ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc
ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc
ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc
ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc

================================= User choice ==================================

Is sdd (ATA WDC WD3200JS-60P) a removable disk? no

Suggested repair: ______________________________________________________________

The default repair of the Boot-Repair utility would reinstall the grub2 of
sdd1 into the MBRs of all disks (except live-disks and removable disks without OS).
Additional repair would be performed: unhide-bootmenu-10s      

Final advice in case of suggested repair: ______________________________________


Please do not forget to make your BIOS boot on sdd (ATA WDC WD3200JS-60P) disk!

J'ai 4 DD sur mon PC (Xubuntu, Win 7 et 2 DD pour les sauvegardes).

Avant de me lancer dans une réinstallation complète de mon Win 7 (qui ne me sert qu'à jouer), est-il possible de réparer cela ?
Merci

LukePerp

Bonjour,
Puisque tu ne l'as pas évoqué, je propose que tu désactives UEFI du bios pour démarrer en mode legacy.

Robert Algoud

Bonjour LukePerp

Désolé d'avoir mis si longtemps à répondre.

je propose que tu désactives UEFI du bios pour démarrer en mode legacy.

A priori, je l'ai fait. Je dis à priori car l'interface graphique de mon BIOS UEFI est certes très complète, mais aussi très complexe !

geole

Bonjour
Dans le boot-info, j'ai vu qu'un windows est bien détecté.

====================== sdd1/boot/grub/grub.cfg (filtered) ======================
Ubuntu   02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
Ubuntu, avec Linux 5.4.0-52-generic   02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
Ubuntu, avec Linux 5.4.0-51-generic   02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
Windows 7 (sur sdc1)   368AB28F8AB24B5F
### END /etc/grub.d/30_os-prober ###

Mais il semble y avoir un problème que je ne comprends pas

=============================== StdErr Messages ================================

ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc
ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc
ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc
ERROR: isw: wrong number of devices in RAID set "isw_biecehiggf_Volume0" [1/2] on /dev/sdc

c'est quoi cette histoire de RAID? Le bios ?

fdisk -l (filtered): ___________________________________________________________
Disk sdb: 465.78 GiB, 500107862016 bytes, 976773168 sectors
Disk sda: 465.78 GiB, 500107862016 bytes, 976773168 sectors
Disk sdd: 298.9 GiB, 320072933376 bytes, 625142448 sectors

Robert Algoud

La tour de mon PC a été dans un temps lointain équipée d'un système de DD montés en RAID.
Ma sa configuration actuelle n'a rien à voir averc cela.
Je ne sais pas d'où peut venir cette notification.

geole

Peut-être mais il semble en rester d'autres traces dans le boot-info
RAID set "isw_biecehiggf_Volume0" is not active
et le disque SDC invisible en contenu

sda1: __________________________________________________________________________
    File system:       ntfs
    Boot sector type:  Unknown
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sdb1: __________________________________________________________________________
    File system:       ntfs
    Boot sector type:  Unknown
    Boot sector info:  No errors found in the Boot Parameter Block.
    Operating System:  
    Boot files:        

sdd1: __________________________________________________________________________
    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  Ubuntu 20.04.1 LTS
    Boot files:        /boot/grub/grub.cfg /etc/fstab /etc/default/grub 
                       /boot/grub/i386-pc/core.img

sdd2: __________________________________________________________________________
    File system:       Extended Partition
    Boot sector type:  -
    Boot sector info: 

sdd5: __________________________________________________________________________
    File system:       swap
    Boot sector type:  -
    Boot sector info: 

sdd3: __________________________________________________________________________
    File system:       ext4
    Boot sector type:  -
    Boot sector info: 
    Operating System:  
    Boot files:

Malgré cela windows semble détecté sur le troisième disque

================================ 2 OS detected =================================
OS#1:   L'OS actuellement utilisé - Ubuntu 20.04.1 LTS CurrentSession on sdd1
OS#2:   Windows 7 on sdc1

Donc il pourrait être proposé. Peux-tu donner le retour de

cat /etc/default/grub

cat /boot/grub/grub.cfg

Robert Algoud

 cat /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_TIMEOUT_STYLE=hidden
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"

 cat /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 $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
if [ "${initrdfail}" = 2 ]; then
   set initrdfail=
elif [ "${initrdfail}" = 1 ]; then
   set next_entry="${prev_entry}"
   set prev_entry=
   save_env prev_entry
   if [ "${next_entry}" ]; then
      set initrdfail=2
   fi
fi
if [ "${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 initrdfail {
    if [ -n "${have_grubenv}" ]; then if [ -n "${partuuid}" ]; then
      if [ -z "${initrdfail}" ]; then
        set initrdfail=1
        if [ -n "${boot_once}" ]; then
          set prev_entry="${default}"
          save_env prev_entry
        fi
      fi
      save_env initrdfail
    fi; fi
}
function recordfail {
  set recordfail=1
  if [ -n "${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$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd3,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
else
  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
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=hidden
    set timeout=10
  # Fallback hidden-timeout code in case the timeout_style feature is
  # unavailable.
  elif sleep --interruptible 10 ; then
    set timeout=0
  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
### 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-02ab5dbc-e9a2-45c1-8dec-57ebeedc3655' {
	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='hd3,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
	else
	  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
	fi
	linux	/boot/vmlinuz-5.4.0-52-generic root=UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 ro  quiet splash $vt_handoff
	initrd	/boot/initrd.img-5.4.0-52-generic
}
submenu 'Options avancées pour Ubuntu' $menuentry_id_option 'gnulinux-advanced-02ab5dbc-e9a2-45c1-8dec-57ebeedc3655' {
	menuentry 'Ubuntu, avec Linux 5.4.0-52-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.4.0-52-generic-advanced-02ab5dbc-e9a2-45c1-8dec-57ebeedc3655' {
		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='hd3,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		else
		  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		fi
		echo	'Chargement de Linux 5.4.0-52-generic…'
		linux	/boot/vmlinuz-5.4.0-52-generic root=UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-5.4.0-52-generic
	}
	menuentry 'Ubuntu, avec Linux 5.4.0-52-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.4.0-52-generic-recovery-02ab5dbc-e9a2-45c1-8dec-57ebeedc3655' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd3,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		else
		  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		fi
		echo	'Chargement de Linux 5.4.0-52-generic…'
		linux	/boot/vmlinuz-5.4.0-52-generic root=UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 ro recovery nomodeset dis_ucode_ldr 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-5.4.0-52-generic
	}
	menuentry 'Ubuntu, avec Linux 5.4.0-51-generic' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.4.0-51-generic-advanced-02ab5dbc-e9a2-45c1-8dec-57ebeedc3655' {
		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='hd3,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		else
		  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		fi
		echo	'Chargement de Linux 5.4.0-51-generic…'
		linux	/boot/vmlinuz-5.4.0-51-generic root=UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 ro  quiet splash $vt_handoff
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-5.4.0-51-generic
	}
	menuentry 'Ubuntu, avec Linux 5.4.0-51-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.4.0-51-generic-recovery-02ab5dbc-e9a2-45c1-8dec-57ebeedc3655' {
		recordfail
		load_video
		insmod gzio
		if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
		insmod part_msdos
		insmod ext2
		set root='hd3,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		else
		  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
		fi
		echo	'Chargement de Linux 5.4.0-51-generic…'
		linux	/boot/vmlinuz-5.4.0-51-generic root=UUID=02ab5dbc-e9a2-45c1-8dec-57ebeedc3655 ro recovery nomodeset dis_ucode_ldr 
		echo	'Chargement du disque mémoire initial…'
		initrd	/boot/initrd.img-5.4.0-51-generic
	}
}

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

### BEGIN /etc/grub.d/10_linux_zfs ###
### END /etc/grub.d/10_linux_zfs ###

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

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

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry 'Memory test (memtest86+)' {
	insmod part_msdos
	insmod ext2
	set root='hd3,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
	else
	  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
	fi
	knetbsd	/boot/memtest86+.elf
}
menuentry 'Memory test (memtest86+, serial console 115200)' {
	insmod part_msdos
	insmod ext2
	set root='hd3,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd3,msdos1 --hint-efi=hd3,msdos1 --hint-baremetal=ahci3,msdos1  02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
	else
	  search --no-floppy --fs-uuid --set=root 02ab5dbc-e9a2-45c1-8dec-57ebeedc3655
	fi
	linux16	/boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 7 (sur /dev/sdc1)' --class windows --class os $menuentry_id_option 'osprober-chain-368AB28F8AB24B5F' {
	insmod part_msdos
	insmod ntfs
	set root='hd2,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd2,msdos1 --hint-efi=hd2,msdos1 --hint-baremetal=ahci2,msdos1  368AB28F8AB24B5F
	else
	  search --no-floppy --fs-uuid --set=root 368AB28F8AB24B5F
	fi
	parttool ${root} hidden-
	chainloader +1
}
set timeout_style=menu
if [ "${timeout}" = 0 ]; then
  set timeout=10
fi
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
### 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 ###

geole

Windows est bien dans la liste

### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 7 (sur /dev/sdc1)' --class windows --class os $menuentry_id_option 'osprober-chain-368AB28F8AB24B5F' {
	insmod part_msdos
	insmod ntfs
	set root='hd2,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd2,msdos1 --hint-efi=hd2,msdos1 --hint-baremetal=ahci2,msdos1  368AB28F8AB24B5F
	else
	  search --no-floppy --fs-uuid --set=root 368AB28F8AB24B5F
	fi
	parttool ${root} hidden-
	chainloader +1
}

La grille de dual boot s'affiche-t-elle?

Robert Algoud

La grille de dual boot s'affiche-t-elle?

Oui, si je sélectionne W7, j'ai un écran bleu très bref puis je tombe sur la page affichée en N&B sur laquelle on me propose de démarrer W7 en mode normal ou en mode minimal car il s'est mal arrếté (???).
A partir de là, on me propose soit de réinitialiser le démarrage, soit de réinstaller à partir d'une image de sauvegarde et blablabla...

geole

Avec le mode minimal, as-tu tenté de réinitialiser le démarrage ( Je ne connais pas très bien windows 7)

Robert Algoud

Avec le mode minimal, as-tu tenté de réinitialiser le démarrage ( Je ne connais pas très bien windows 7)

Moi, je connais plutôt bien W 7 et j'ai fait ce qu'il y avait à faire.