Have you checked that the jumper is set for Master for one of the optical drives and Slave for the other?
It's likely though that the cables are still the problem as it would be very unusual for both drives to pack up.
WPA2 hack: How secure is your Wi-Fi?
Microsoft Surface Book 2 hands-on review – bigger and 5x faster
Best kids apps for iPhone & iPad
Que faire si son iPhone ou iPad est tombé dans de l'eau ?