cgsecurity.org

There should be no need to rewrite the partition with TestDisk.

With the partition unmounted, can you try "fsck.ext4 -a dev/sdc2" ?
If it failed, please paste the output. If it works, mount the filesystem and check if you can see your missing files.
Also check the lost+found/ directory, sometimes ...

Hello
Names starting by a dot are hidden...
I will publish a new 7.3-WIP that doesn't do it under Windows as it's a Unix/Linux/mac tradition.

You can try TestDisk, select the 2 TB PhysicalDrive, Analyse, Quick Search and Deeper Search. If you are lucky, you will see your old partition. If it's the case, use the arrow keys to switch this partition to P(rimary). On next screen, choose Write, confirm, and Quit.
If it doesn't work, try ...

Usually, the passes are only
- pass 0: finding the blocksize
- pass 1: data recovery

There may be extra passes when
- FAT unformat (can only be enabled in expert mode),
- Keep corrupted files as be set to Yes, (By default, No)
- Paranoid : Yes (Brute force enabled) (By default, yes, Brute force ...

Assuming you had an NTFS partition as currently listed in your screenshot, try to follow
https://www.cgsecurity.org/testdisk_doc ... oot-sector

TRIM may be prevent recovery, another possibility is BitLocker disk encryption.
Can you check if it's enable ?

A little post to thank you for your donation ;-)

When running TestDisk, try TestDisk, Advanced, select the "BackyL" partition, List. If you see your files (with a non-empty size), you should be able to copy them.
You can also try "Scrounge NTFS" to recover files from your NTFS partition but it ...

It's not possible to recover the original filenames and file structure but it may be possible to recover most of your files anyway.
TestDisk may be able to display some filenames but the filesize of deleted file will be listed as 0.
Use PhotoRec to recover your files from the free space of your ...

Try chkdsk as explained in the manual and if it doesn't work, use PhotoRec instead. Choose '[Whole]" instead of "[Free]" as you aren't trying to recover deleted files but all the files.

It's possible to overwrite the content of a disk using "dd if=/dev/zero of=device_to_erase". (Be careful to not choose the wrong destination)
This way TestDisk, PhotoRec or any other data recovery utilities will not able to recover anything.