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Computer turns on for 1 minute after installing new CPU.

Last response: in CPUs
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June 10, 2011 6:06:31 PM

Hello guys,
I have recently installed an Intel Core 2 Duo E8500 Processor. But when I turn on my computer it turns off about 10 seconds to when it gets to the log on screen. I don't know what the problem is, I have checked my PSU and it is not that. So what is the problem? I made sure I installed correctly Heat Sink and Processor.

Thanks Guys
a b à CPUs
June 10, 2011 10:20:13 PM

Hello, and welcome to THG.

Is the CPU compatible with the BIOS?
a c 79 à CPUs
June 10, 2011 11:46:01 PM

sounds like overheating or something. have you secured the heat sink and fan properly?
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June 11, 2011 12:19:15 AM

What motherboard are you using. Did you check CPU compatiblity with the manufacturer? Just because they're the same socket doesn't mean it will work.

Did you use thermal grease? Did you seat the CPU cooler correctly? Did you plug the CPU fan controller into the motherboard?
a b à CPUs
June 11, 2011 12:41:48 AM

How did you check your power supply? Substitution with a known good power supply is the only reliable test.
!