1
Right click your Start Button and open Disk Management.
Expand the bottom pane in Disk Management so all drives and partitions are visible in that pane.
Please provide a screenshot of that Disk Management window.
2
Right click your Start Button and open Device Manager.
Expand the Disk Drives section.
Please provide a screenshot of the full Device Manager window.
3
Please connect that drive up to another PC, is the drive working correctly in that PC.