Hard Drive spinning but not detected on Windows PC

When you connect a Hard disk or HDD to your Windows 11/10 PC and feel it is running and are unable to see it on your PC, ...
Ars Technica

Are WD RED drives okay for PC use?

I have a ReadyNAS Duo NAS. Though it supports two drives, I've always only had one drive in it. Lately it's been emailing me (a cool feature) that my 1TB Seagate drive in it has increasing bad sectors ...