No, not power saving, just a normal drive. I've put up with my system waking from sleep every so often ever since I installed Windows 7 RC last August - I'm on retail now, on a different HDD, same thing. Not sure how to go about checking on that. You think that might have contributed to this...
Apologies if this is in the wrong forum, this is my first time here. If this post is too long, I can try and condense it. I usually leave PC in sleep mode, last night was no exception. I am used to it occasionally turning itself back on every few days (not sure why) so no surprise to see...