Disque dur externe non reconnu

Bonjour

Du jour au lendemain mon MacBook Air ne veut plus monter mon disque dur externe . J'ai fait la commande diskutil info
disk julien@Air-de-Julien ~ % 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 Sans titre 10.6 GB disk1s1
2: APFS Volume Preboot 85.4 MB disk1s2
3: APFS Volume Recovery 529.0 MB disk1s3
4: APFS Volume VM 1.1 GB disk1s4
5: APFS Volume Sans titre - Données 6.8 GB disk1s5

/dev/disk2 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *250.1 GB disk2
1: Windows_NTFS Documents 250.1 GB disk2s1

/dev/disk3 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *1.0 TB disk3
1: Windows_NTFS 1.0 TB disk3s1

/dev/disk4 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +250.0 MB disk4
1: Apple_HFS OnyX 3.7.0 250.0 MB disk4s1

/dev/disk5 (disk image):
#: TYPE NAME SIZE IDENTIFIER
0: GUID_partition_scheme +1.6 GB disk5
1: Apple_HFS LibreOffice 1.4 GB disk5s1

julien@Air-de-Julien ~ % 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 Sans titre 10.6 GB disk1s1
2: APFS Volume Preboot 85.4 MB disk1s2
3: APFS Volume Recovery 529.0 MB disk1s3
4: APFS Volume VM 1.1 GB disk1s4
5: APFS Volume Sans titre - Données 7.5 GB disk1s5

/dev/disk2 (internal, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *250.1 GB disk2
1: Windows_NTFS Documents 250.1 GB disk2s1

/dev/disk3 (external, physical):
#: TYPE NAME SIZE IDENTIFIER
0: FDisk_partition_scheme *1.0 TB disk3
1: Windows_NTFS 1.0 TB disk3s1

julien@Air-de-Julien ~ % diskutil info disk3
Device Identifier: disk3
Device Node: /dev/disk3
Whole: Yes
Part of Whole: disk3
Device / Media Name: ASMT105

Volume Name: Not applicable (no file system)
Mounted: Not applicable (no file system)
File System: None

Content (IOContent): FDisk_partition_scheme
OS Can Be Installed: No
Media Type: Generic
Protocol: USB
SMART Status: Not Supported

Disk Size: 1.0 TB (1000204886016 Bytes) (exactly 1953525168 512-Byte-Units)
Device Block Size: 512 Bytes

Read-Only Media: No
Read-Only Volume: Not applicable (no file system)

Device Location: External
Removable Media: Fixed

Solid State: Info not available
Virtual: No

julien@Air-de-Julien ~ %

mon disk non reconnu est le 3 celui de 1To
pouvez vous m'aidez stp