Posted 22 December 2009 - 04:53 PM
Are the drives correctly jumpered for the configuration they are connected in? The only real maintenance that is feasible is to make sure the laser lens is clean - you can try a cleaning disc but a manual clean with a cotton tip moistened with isopropyl alcohol is best.
Then I suggest if the system is capable of booting from the optical drive, connect only the one you want to test and attempt to boot from CD and DVD, using the likes of Linux Live discs or Windows install CD/DVD. This eliminates any Windows issues - if the drive can't read the discs to boot up from, then it's a bad drive. If it can, then it's worth moving on to fault-find the Windows installation.
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