It all started when all of a sudden my pc locked up while I was playing WoW. I knew right away it was a hardware issure b/c everything just stopped... No Alt-Tab, no Alt-F4, and no Ctrl-Alt-Del... Mouse wasn't responding, and the HDD light wasn't blinking. After restarting, I tried booting back up into Windows... got past POST and OS select, but then nothing. So I thought maybe it was a Windows thing. I then restarted and booted up Ubuntu and it worked fine. I installed some updates and checked my email then restarted Windows into safe mode. When that worked I restarted again and booted normally into Windows. Logged in, everythig was going as usual then it suddenly just froze just like last time, nothing would work. I did notice that the CPU temp was about 8 degrees higher than usual, right before it froze. So at that point I opened the case and cleaned a little bit of lint out of the CPU's heat sink, thinking maybe it was overheating. Still didn't work. Infact, when turned it on this time, I pressed Del to go into my BIOS and it froze. Now I'm really worried. Now not even the monitor will turn on. I disconnected all I could and gave it a go, and nothing happens... no beeps no nothing, but everything in the computer is running. Help!