How many drives do you have installed?
Have you experienced any power surges or power failures and is your machine plugged into a surge protector or UPS?
Do you see the drive(s) under MY COMPUTER ?
Can you open and close the drives when your machine is on?
Did the drive(s) ever work and if so, when was the last time this was the case?
Have you tried all different types of media (ie. different brands, CD's, DVD's, etc.)?
Your answers may get us on the right path to a solution.
Edited by jay_man, 10 February 2010 - 10:31 PM.