Are you able to still see the files?
I know this sounds silly but:
Plug it in as a secondary drive, lmk if you can see any files.
Run a scan using norton (it generally does what I need it to do)
Get back to me (pm me)
Also I've personally used glary, works like a charm but these 19 literally hit the nail on the head:
https://www.lifewire.com/free-data-recovery-software-tools-2622893This post was edited by Cocoo on Jan 30 2017 12:46pm