Yesterday I installed a new heatsink on a London Drugs prebuilt sempron 3000+ (S462) system. I have built many computers before and know what I am doing. After I installed the heatsink and did the 7V mod to one of the case fans, I reconnected everything and booted. It powered on fine, but the monitor remained 'no signal'. I couldn't figure out what the problem was. I removed the memory module (the only one) out of curiosity and rebooted. Same thing happened, and I didnt get any beeps. I'm assuming that the computer is not even reaching POST because of this, so is the mobo shot? The drives spin up and light up and everything powers on, which is why I'm confused. I'm just about to begin swapping parts to figure out what the problem is but posted here just to see if I could get a jump on it. Thanks for your replies. Cheers.
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