Oui c’est bien çaBonjour Orfane
Es-tu actuellement dans une session de secours (fenêtre de 4 Utilitaires macOS) ?
diskutil list
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS OS X Base System 499.2 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +5.2 MB disk1
/dev/disk2 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +524.3 KB disk2
1: Apple_HFS 483.3 KB disk2s1
/dev/disk3 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk3
/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk4
/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk5
/dev/disk6 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk6
/dev/disk7 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk7
/dev/disk8 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk8
/dev/disk9 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk9
/dev/disk10 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk10
/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk15
-bash-3.2#
diskutil list
-bash-3.2# diskutil list
/dev/disk0 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme *500.1 GB disk0
1: EFI EFI 209.7 MB disk0s1
2: Apple_HFS OS X Base System 499.2 GB disk0s2
3: Apple_Boot Recovery HD 650.0 MB disk0s3
/dev/disk1 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk1
1: Apple_HFS OS X Base System 2.0 GB disk1s1
/dev/disk2 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +5.2 MB disk2
/dev/disk3 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk3
/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk4
/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk5
/dev/disk6 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk6
/dev/disk7 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk7
/dev/disk8 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk8
/dev/disk9 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk9
/dev/disk10 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk10
/dev/disk11 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +2.1 MB disk11
/dev/disk12 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk12
/dev/disk13 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk13
/dev/disk14 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +1.0 MB disk14
/dev/disk15 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +6.3 MB disk15
/dev/disk16 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: untitled +524.3 KB disk16
-bash-3.2#
/dev/disk1 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +2.1 GB disk1
1: Apple_HFS OS X Base System 2.0 GB disk1s1
diskutil eraseVolume jhfs+ "Macintosh HD" disk0s2
-bash-3.2# diskutil eraseVolume jhfs+ "Macintosh HD" disk0s2
Started erase on disk0s2 OS X Base System
Unmounting disk
Erasing
Initialized /dev/rdisk0s2 as a 465 GB case-insensitive HFS Plus volume with a 40960k journal
Mounting disk
Finished erase on disk0s2 Macintosh HD
-bash-3.2#
Parfait : tu as un volume Macintosh HD réinstallable.
Dans la fenêtre des 4 Utilitaires macOS > lance l'option : "Réinstaller macOS" --> et choisis le volume Macintosh HD comme destination lorsque cela te sera proposé.
diskutil list