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Yes, TestDisk can potentially help recover the partition and check you're using the latest version and follow its instructions carefully for the best chance of success.

Dear Agostinof,
Have you attempted any troubleshoot steps yet? Sometimes, performing a hard reset or checking for updates can resolve such issues.

I have a 2TB Samsung nvme SSD, otiginally it had a single ext4 partition. It was running out of space, and, all of a sudden, It was unable to mount at startup.
I forced it to mount from the terminal and was able to see the files.

I tried changing the superblock as I thought that was the issue ...

Hi SirGraves,

Please avoid initializing the drive further to prevent potential data loss. Instead, use data recovery software like TestDisk to attempt partition repair without losing data.

What concerns does the user have about sending in their dead SSD drive for warranty claim, and how does TestDisk factor into their dilemma?