Bonjour,
Le Boot-info dont tu as donné le lien dans le post #1, je le colle ci-dessous :
boot-info-4ppa115 [20200512_1339]
============================== Boot Info Summary ===============================
=> Windows 7/8/2012 is installed in the MBR of /dev/sda.
sda1: __________________________________________________________________________
File system: ntfs
Boot sector type: Grub2 (v1.99-2.00)
Boot sector info: Grub2 (v2.00) is installed in the boot sector of sda1
and looks at sector 284740576 of the same hard drive
for core.img. core.img is at this location and looks
for (,msdos6)/boot/grub. It also embeds following
components:
modules
-------------------------------------------------------
fshelp ext2 part_msdos biosdisk
-------------------------------------------------------
-------------------------. No errors found in the Boot
Parameter Block.
Operating System:
Boot files: /bootmgr /Boot/BCD
sda2: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System: Windows 8 or 10
Boot files: /bootmgr /Windows/System32/winload.exe
sda3: __________________________________________________________________________
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:
sda4: __________________________________________________________________________
File system: Extended Partition
Boot sector type: -
Boot sector info:
sda5: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 2000/XP: NTFS
Boot sector info: According to the info in the boot sector, sda5 starts
at sector 63.
Operating System:
Boot files:
sda6: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 18.04.4 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab /etc/default/grub
/boot/grub/i386-pc/core.img
sda7: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
sda8: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
================================ 3 OS detected =================================
OS#1: L'OS actuellement utilisé - Ubuntu 18.04.4 LTS CurrentSession on sda6
OS#2: Windows 10 (boot) on sda1
OS#3: Windows 8 or 10 on sda2
============================ Architecture/Host Info ============================
CPU architecture: 64-bit
BOOT_IMAGE of the installed session in use:
/boot/vmlinuz-5.3.0-51-generic root=UUID=969f43a1-000e-4d62-bf5b-f3fef6eb697d ro quiet splash vt.handoff=1
===================================== UEFI =====================================
This installed-session is not in EFI-mode.
============================= Drive/Partition Info =============================
Disks info: ____________________________________________________________________
sda : notGPT, no-BIOSboot, has-noESP, not-usb, not-mmc, has-os, 2048 sectors * 512 bytes
Partitions info (1/3): _________________________________________________________
sda6 : is-os, 64, apt-get, grub-pc , grub2, grub-install, grubenv-ok, update-grub, farbios
sda1 : is-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, not-far
sda2 : is-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, farbios
sda3 : no-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, farbios
sda5 : no-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, farbios
sda7 : no-os, 32, nopakmgr, no-docgrub, nogrub, nogrubinstall, no-grubenv, noupdategrub, farbios
Partitions info (2/3): _________________________________________________________
sda6 : isnotESP, fstab-without-efi, 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, bootmgr, is-winboot
sda2 : isnotESP, part-has-no-fstab, no-nt, haswinload, no-recov-nor-hid, bootmgr, notwinboot
sda3 : isnotESP, part-has-no-fstab, no-nt, no-winload, recovery-or-hidden, no-bmgr, notwinboot
sda5 : isnotESP, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot
sda7 : isnotESP, part-has-no-fstab, no-nt, no-winload, no-recov-nor-hid, no-bmgr, notwinboot
Partitions info (3/3): _________________________________________________________
sda6 : not-sepboot, with-boot, fstab-without-boot, not-sep-usr, with--usr, fstab-without-usr, std-grub.d, sda
sda1 : not-sepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
sda2 : not-sepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
sda3 : not-sepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
sda5 : not-sepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
sda7 : maybesepboot, no-boot, part-has-no-fstab, not-sep-usr, no---usr, part-has-no-fstab, std-grub.d, sda
fdisk -l (filtered): ___________________________________________________________
Disk sda: 465.8 GiB, 500107862016 bytes, 976773168 sectors
Disk identifier: 0x36ce744f
Boot Start End Sectors Size Id Type
sda1 * 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
sda2 1026048 274851183 273825136 130.6G 7 HPFS/NTFS/exFAT
sda3 975362048 976769023 1406976 687M 27 Hidden NTFS WinRE
sda4 274851838 975360173 700508336 334G f W95 Ext'd (LBA)
sda5 346030080 975360173 629330094 300.1G 7 HPFS/NTFS/exFAT
sda6 274851840 304148479 29296640 14G 83 Linux
sda7 304150528 333445119 29294592 14G 83 Linux
sda8 333447168 346023935 12576768 6G 82 Linux swap / Solaris
Partition table entries are not in disk order.
parted -lm (filtered): _________________________________________________________
sda:500GB:scsi:512:512:msdos:ATA Hitachi HTS54505:;
1:1049kB:525MB:524MB:ntfs::boot;
2:525MB:141GB:140GB:ntfs::;
4:141GB:499GB:359GB:::lba;
6:141GB:156GB:15.0GB:ext4::;
7:156GB:171GB:15.0GB:ext4::;
8:171GB:177GB:6439MB:linux-swap(v1)::;
5:177GB:499GB:322GB:ntfs::;
3:499GB:500GB:720MB:ntfs::diag;
blkid (filtered): ______________________________________________________________
NAME FSTYPE UUID PARTUUID LABEL PARTLABEL
sda
├─sda1 ntfs 50A0D498A0D485BE 36ce744f-01 Réservé au système
├─sda2 ntfs FEB8D732B8D6E7E3 36ce744f-02
├─sda3 ntfs 8ABC72DBBC72C16D 36ce744f-03
├─sda4 36ce744f-04
├─sda5 ntfs 0B9A11E20B9A11E2 36ce744f-05
├─sda6 ext4 969f43a1-000e-4d62-bf5b-f3fef6eb697d 36ce744f-06
├─sda7 ext4 0835793f-9557-4675-93c2-394d2b8a70a2 36ce744f-07
└─sda8 swap a46f417b-3951-44cf-ba3a-9beb490b7118 36ce744f-08
df (filtered): _________________________________________________________________
Avail Use% Mounted on
sda1 468.8M 6% /mnt/boot-sav/sda1
sda2 19G 85% /mnt/boot-sav/sda2
sda3 85.4M 88% /mnt/boot-sav/sda3
sda5 55G 82% /mnt/boot-sav/sda5
sda6 840.4M 89% /
sda7 3.7G 68% /home
Mount options: __________________________________________________________________
sda1 ro,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sda2 ro,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sda3 ro,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sda5 ro,relatime,user_id=0,group_id=0,allow_other,blksize=4096
sda6 rw,relatime,errors=remount-ro
sda7 rw,relatime
====================== sda6/boot/grub/grub.cfg (filtered) ======================
Ubuntu 969f43a1-000e-4d62-bf5b-f3fef6eb697d
Ubuntu, avec Linux 5.3.0-51-generic 969f43a1-000e-4d62-bf5b-f3fef6eb697d
Ubuntu, avec Linux 5.3.0-46-generic 969f43a1-000e-4d62-bf5b-f3fef6eb697d
Windows 10 (sur sda1) 50A0D498A0D485BE
### END /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_uefi-firmware ###
========================== sda6/etc/fstab (filtered) ===========================
# <file system> <mount point> <type> <options> <dump> <pass>
# / was on /dev/sda6 during installation
UUID=969f43a1-000e-4d62-bf5b-f3fef6eb697d / ext4 errors=remount-ro 0 1
# /home was on /dev/sda7 during installation
UUID=0835793f-9557-4675-93c2-394d2b8a70a2 /home ext4 defaults 0 2
# swap was on /dev/sda8 during installation
UUID=a46f417b-3951-44cf-ba3a-9beb490b7118 none swap sw 0 0
======================= sda6/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=""
==================== sda6: Location of files loaded by Grub ====================
GiB - GB File Fragment(s)
136.382072449 = 146.439135232 boot/grub/grub.cfg 3
135.774909973 = 145.787199488 boot/grub/i386-pc/core.img 1
137.607151031 = 147.754553344 boot/vmlinuz-5.3.0-46-generic 2
144.194965363 = 154.828165120 boot/vmlinuz-5.3.0-51-generic 3
144.194965363 = 154.828165120 vmlinuz 3
137.607151031 = 147.754553344 vmlinuz.old 2
136.918819427 = 147.015462912 boot/initrd.img-5.3.0-46-generic 26
136.923702240 = 147.020705792 boot/initrd.img-5.3.0-51-generic 40
136.923702240 = 147.020705792 initrd.img 40
136.918819427 = 147.015462912 initrd.img.old 26
Suggested repair: ______________________________________________________________
The default repair of the Boot-Repair utility would reinstall the grub2 of
sda6 into the MBR of sda.
Additional repair would be performed: unhide-bootmenu-10s win-legacy-basic-fix
