I doubt this but right click my computer\manage\disc management see if it shows in there but I doubt it. it may be the cable, but could be USB as too many things plugged in. Does it have its own power supply?
Also the Disc may have become corrupt.
Surface Pro (2017) vs Surface Pro 4
20 groundbreaking 3D animation techniques
How to mine Bitcoin on Mac
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.