I put the 1Tb hd back in the 8500 and put the #3hd in the
external case and tried to connect it but same as before.
I checked disk management also

https://postimg.cc/vgxfLX2S

https://postimg.cc/WhGKwwQ3

https://postimg.cc/hJj5gWhz

I logged into my account to access disk management

https://postimg.cc/WhGKwwQ3

https://postimg.cc/hJj5gWhz

and then also followed your instructions but it's not there.

https://postimg.cc/kV0zyYX2

https://postimg.cc/CRXSWNxg

and its not connecting for some strange reason. It's like the
backspace key. It should work and everything else works but
it doesn't. It's very odd.

Robert