ok...i was playing CS:S (for those of you that don't know Counter Strike: Source) and all of the sudden my computer locked up. the screen went black and it kept looping the sound...no big deal right? so i pressed the restart button and it started to load back up ... but no display on the screen!! and it doesn't sound like its getting past the BIOS cuz it makes a long beep right when it starts up. i know its not the RAM itself cuz i switched that out and tried it. and i tried to start it up w/out my VGA in but i got the same sound! i have no idea whats goin on or how to fix it!! any help would be greatly appreciated.