That was indeed the problem, I feel dumb for it being that simple. Thanks for the help. Would you also have a theory on what happened to the original boot drive?
TLDR: SATA m.2 is visible on both bios and disk manager but is unable to be opened in windows explorer
PS: yes the drive is formatted
Ill start with how this issue started. I wanted to uninstall some programs i didnt use any because my NVme C drive was getting close to being full. When i...