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CPU overheating please help


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#1 fantasy5823

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Posted 02 September 2009 - 06:48 PM

My CPU is overheating when I use it. When I turn it on, it boots up and after a while it automatically shuts down. When I restart it again, it boots up and return to normal. When I went to bios and checks, I found out that the CPU temperature was up to 92C. I have to use an electric fan to be able to continue using it. My cpu is Intel Celeron. I already cleaned the heatsink and the fan and dusted the whole PC but it is still overheating. Can you help me with this problem?

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#2 Moby Purple

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Posted 02 September 2009 - 07:19 PM

The first things that come to mind are:

Case fans - Do you have fans both pulling fresh air in and others discharging hot air?

CPU fan - Is it running at a high rate of speed, it should be revved all the way up at that temperature.

Thermal paste - It can break down over a long period and need to be replaced.

PSU - A cheap power supply (or a good one going bad) can deliver inconsistent voltage to the CPU and cause overheating.

#3 fantasy5823

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Posted 03 September 2009 - 09:03 PM

I have a fan CPU fan and an exhaust fan in my PC. When the temp goes up, I can hear the CPU fan starting to hum maybe adjusting to the heat. I think it might be the thermal paste or heatsink compound already dried up and no longer able to do its work and I shall try to replace the PSU with a new one. Thanks for the advice.




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