Rappelle-moi : tu démarres sur l'OS externe du volume SSD Mac OS ?
- repasse alors un :Bloc de code:diskutil list
- et poste le tableau des disques => que je voie la situation.
MacOSs-Air:~ macosrecover$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         121.1 GB   disk0s2
/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +121.1 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD            72.1 GB    disk1s1
   2:                APFS Volume Preboot                 18.9 MB    disk1s2
   3:                APFS Volume Recovery                507.2 MB   disk1s3
   4:                APFS Volume VM                      2.1 GB     disk1s4
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS SSD Mac OS              350.0 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
   4:                  Apple_HFS Clone                   149.1 GB   disk2s4MacOSs-Air:~ macosrecover$ diskutil list
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS SSD Mac OS              350.0 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
   4:                  Apple_HFS Clone                   149.1 GB   disk2s4D'accord.
- ça sent quand même un problème au niveau de la carte-mère du MacBook Air qui éjecte les SSD internes.
MacOSs-Air:~ macosrecover$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *121.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         121.1 GB   disk0s2
/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +121.1 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Macintosh HD            72.1 GB    disk1s1
   2:                APFS Volume Preboot                 18.9 MB    disk1s2
   3:                APFS Volume Recovery                507.2 MB   disk1s3
   4:                APFS Volume VM                      2.1 GB     disk1s4
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS SSD Mac OS              350.0 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
   4:                  Apple_HFS Clone                   149.1 GB   disk2s4MacOSs-Air:~ macosrecover$ diskutil list
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.3 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1
   2:                 Apple_APFS Container disk1         500.1 GB   disk0s2
/dev/disk1 (synthesized):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      APFS Container Scheme -                      +500.1 GB   disk1
                                 Physical Store disk0s2
   1:                APFS Volume Mac HD                  419.4 GB   disk1s1
   2:                APFS Volume Preboot                 23.5 MB    disk1s2
   3:                APFS Volume Recovery                510.1 MB   disk1s3
   4:                APFS Volume VM                      1.1 GB     disk1s4
/dev/disk2 (external, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:                  Apple_HFS SSD Mac OS              350.0 GB   disk2s2
   3:                 Apple_Boot Recovery HD             650.0 MB   disk2s3
   4:                  Apple_HFS Clone                   149.1 GB   disk2s4 
	