You can use TestDisk as a rescue for Windows or Linux partitions, but you’ll need an Ubuntu live USB drive so you can boot into a separate environment on your PC, and then retrieve the lost files.

Has anyone used TestDisk to recovery hard drive partitions? I have have a shucked drive from a Seagate SRD00F2 external drive (Amazon link), that to the best of my knowledge does not run hardware ...

Perform low-level disk repair and file recovery--from a command prompt or DOS box--with free utility duo TestDisk and PhotoRec.