nlited XP system

VIA mobo

laptop style slot drive DVD player with a centrix case and USB adapter

in addition to the USB power... it also gets 5v from the PS

at first i had trouble with the computer to see the drive when booting up (i NEVER hibernate/resume... ALWAYS cold boot)

then somehow... it started to recognize each boot. Worked great for months.

Then recently... i shutdown the comp with a DVD in the drive (first time i've done this) and now... the comp doesn't recognize the USB drive again.

The only way to get it to recognize is to unplug and replug the dvd drive.

Any ideas?