cgsecurity.org

Thanks @recuperation for your comment to my rhetorical question.

But could you or anyone suggest what I should do at the screen that I present. What is it telling me that could be done for data recovery/

I have read this section in the Testdisk manual: But I am at a lost as something in its ...

P.S. I am not sure of why SG2D is showing up on this drive as I have NOT knowingly ran that ISO file on this system. And I certainly have never knowingly made an attempt to write its ISO to this drive...ever. That/those labels showing on this drive is suspect to me.

Could my running Linux system ...

It completed: But I am lost to know what are the next steps to recovery of the drive with its original 4 partitions.

I am keeping the Testdisk screen open hoping for some recommendation of my next step(s). Testdisk3.jpg Everything comes up "D" . What does that prefix on each line mean?

Thanks in ...

The progress overnight for Testdisk is shown as follows:Then later this:

Hello
My disk is a Toshiba MD04ACA400
On a 4TB disk formatted GPT with 4 partition, today, it has come up not recognized by the system.
It is a non-raid data-only disk drive
Each partition is 1TB
The formats for the partitions vary; namely NTFS, ext4
It is not recognized by any OS
In GParted ...