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Problem description: A while ago my PC would fail to boot the first time I pressed the power button - it would switch off with a long beep some ways through booting. After 2 days or so of this, I got a BSOD at the login screen, and then when pressing power it would turn off and on again rapidly - the fans would start and stop repeatedly. I switched out the PSU and now occasionally I can get it to start once for a few seconds and the fan spins, then flickers and dies after ~10 seconds. Then it fails to start at all for some time. Attempted fixes: What have you tried to do to resolve the problem? Stripped everything out except the CPU and motherboard, and replaced the PSU. Removed any dust, reseated CPU and applied fresh arctic silver. Removed from case and tried starting by shorting the power pins. Recent changes: None -- Operating system: win 7 System specs: Sandy bridge i5 on an asus p8p67. Location: What country are you in? UK I have Googled and read the FAQ: Yes Maybe the old PSU died and fried the motherboard and/or CPU, it would explain why starting with the old PSU resulted in rapid start/stopping whereas the new one only starts and cuts out once. In any case, I don't have access to a motherboard with the 1155 chipset or a sandy bridge processer so I don't want to replace the motherboard only to find I need to replace the processor. How can I tell which has died? There is no beeping so I'm guessing the motherboard but I want to be sure.
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Jan 4, 2016 20:38
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Crack posted:How can I tell which has died? No way to be absolutely 100% sure but motherboards fail way, way more often than CPUs ever do. And usually when a CPU is failing it's because of pin damage during installation or melting or it fails immediately out of the box (not after years of use).
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Jan 4, 2016 23:55
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Thanks, that's what I thought really, I'll pick up a new board and hope for the best.
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Jan 6, 2016 13:05
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