I just replaced the heatsink on the processor on my abit VA-10. All\nother components are the same.\n\nWhat happened is, I plugged the power cable back in to the PSU, and as\nsoon as the plug went in, the machine turned on (without me turning it\non), for 5 seconds, and then turned off.\n\nI then tried powering it on, with the button, and it does the same\nthing, on for 5 seconds, off. It does not post. No beep codes. The\nheatsink's fan is spinning fine. This really can't be an overheating\nproblem since it's only 5 seconds we're talking here.