Voilà ce que j'obtiens
[root@localhost liveuser]# fdisk -l
Disk /dev/sda: 465.8 GiB, 500107862016 bytes, 976773168 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: 0xb395a0b9
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 206847 204800 100M 7 HPFS/NTFS/exFAT
/dev/sda2 206848 528705535 528498688 252G 7 HPFS/NTFS/exFAT
/dev/sda3 975157248 976771071 1613824 788M 27 Hidden NTFS WinRE
Disk /dev/sdb: 7.5 GiB, 8086618112 bytes, 15794176 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: 0x3a663a44
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 0 3491839 3491840 1.7G 0 Empty
/dev/sdb2 119940 138595 18656 9.1M ef EFI (FAT-12/16/32)
/dev/sdb3 138596 178003 39408 19.2M 0 Empty
Disk /dev/loop0: 1.6 GiB, 1686425600 bytes, 3293800 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/loop1: 6.5 GiB, 6981419008 bytes, 13635584 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/loop2: 32 GiB, 34359738368 bytes, 67108864 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/mapper/live-rw: 6.5 GiB, 6981419008 bytes, 13635584 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/mapper/live-base: 6.5 GiB, 6981419008 bytes, 13635584 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
et merci