[Da_Bian]

Originally Posted by intrestedviewer

Maybe your computer goes into hibernation? Sounds like it, try pressing the restart button on your computer when this happens, it should wake it up(it wont actually restart it). If you want to disable hibernation just go into your control panel, on xp its under performance and maintenance, then click on power optiones, then the hibernation tab.

correct! you win the prize beer:
it's shutting down the HDDs and your comp will not come out of hibernation unless you press the 'sleep' button on your keyboard (if you have one) or press the reset button on your tower

in the screen saver area, look for 'power management' or something similar - once there you'll see everything and understand rock: