Check first for loose leads and cables - then, from Device Manager, Uninstall the drives in turn and reboot each time.
Windows should Find New Hardware and reinstall the basic CDROM driver for each drive in turn.
This thread is now locked and can not be replied to.
Sniper Elite 4 review: Headshotting Nazis has never felt so good
1995-2015: How technology has changed the world in 20 years
The Best Design, Illustration, Animation and VFX Awards of 2017
WWDC 2017 dates: How to get WWDC 2017 tickets, when is WWDC 2017 and more details announced
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.