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Table of Contents
File and/or Disk recovery
File and/or disk recovery can be a challenge. The Testdisk program identified in a later paragraph is a tool that requires patience. There are non-destructive options for learning how it may or may not help with your problem. Testdisk definitely requires you to RTFM (Read The Fine Manual) and then play with the options to determine if it may lead you down the path of recovering data. It is the only free software we have found that offers data recovery features. The source is available here: https://git.cgsecurity.org/cgit/testdisk/ Reading the source code might add to your knowledge about disks and file systems.
Testdisk
Careful… It is a command line tool. Reading the documentation and experimentation will be necessary. Here is another reference to the documentation.
Reference: https://www.cgsecurity.org/
Then go to: https://www.cgsecurity.org/wiki/TestDisk
Discussion
Now, with Windows 10 version 2004, Microsoft has available from their store Windows File Recovery Utility.
Another alternative Gibson Research Corporation SpinRite GRC.com/spinrite.htm
for disk that don't spin or show up as a disk device My Hard Drive Died myharddrivedied.com
I have and do use both