I broke GPU Isolation

I tried to isolate my nvidia p400 for my VM running docker and I couldnt get my VM to see it. No matter, I reverted.

I run Emby in both my VM and on bare metal via the Community apps train. however, since trying to isolate for my VM and now reverting, Emby doesnt recognize any available nvidia GPUs when i edit its app. It just says 0 available, even after i removed it from isolation, removed it from the VM, rebooted the system, reinstalled the physical card itself. I cant think of anything else to do. Why cant emby see my GPU? it was all working before I tried isolation…