Help with recovering from a formatted external SSD
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I have a SanDisk 2TB SSD which I had partitioned with GUID PT in roughly (as I remember)
1. NTFS: 250GB
2. APFS: 1TB
3. exFAT: 750GB
While connected to an android device I was trying to format only the exFAT partition, but it erased the entire disk.
Disk: /dev/disk4 geometry: 243197/255/63 [3906963617 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: 0C 0 32 33 - 1023 254 63 [ 2048 - 3906961536] Win95 FAT32L
2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
sudo gpt -r show /dev/disk4
Password:
start size index contents
0 1 MBR
1 2047
2048 3906961536 1 MBR part 12
3906963584 33
`
I am assuming that all my data would be recoverable if I am able to recreate the original partition table??
I am trying the Testdisk tool but it is not showing me the APFS and exFAT... currently on deep search it shows the following:
: Unusual media descriptor (0xf0!=0xf8)
Warning: number of heads/cylinder mismatches 16 (FAT) != 1 (HD)
Warning: number of sectors per track mismatches 32 (FAT) != 1 (HD)
FAT32 LBA 40 409639 409600 [EFI System Partition] [EFI]
check_FAT: Unusual media descriptor (0xf0!=0xf8)
Warning: number of heads/cylinder mismatches 16 (FAT) != 1 (HD)
Warning: number of sectors per track mismatches 32 (FAT) != 1 (HD)
FAT32 LBA 46 409645 409600 [EFI System Partition] [EFI]
HPFS - NTFS 2048 3906963583 3906961536
HPFS - NTFS 2060 3906963595 3906961536
HPFS - NTFS 2060 3906963595 3906961536
I am not an advanced user but I am willing to try manual means to recreate the partiion table with experts' guidance here.
Let me know what I additionally need to share here 🙏🏽. I am primarily on a mac device
Asked by srinitata
(1 rep)
Apr 20, 2025, 01:23 PM
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