desktop powers down after a few minutes

June 9, 2013 at 08:35:45
Specs: Windows 7
I have a several years old desktop that began powering itself off. I updated the power supply and the helped for a while. After it shuts itself off, I have to unplug it for a minute before it will even power on again.

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June 9, 2013 at 08:50:20
Sounds like it may be overheating. It shuts itself down to protect the processor.

Open the case with the computer unplugged and blow out everything, including the power supply (both ends). Use canned compressed air or a compressor. DO NOT use a vacuum cleaner. No need to dismantle anything.

You can check the temperatures and voltages in real time by using HWMonitor. Get it at the link below.

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June 9, 2013 at 13:05:22
Make sure you include cleaning the CPU heat sink, fans and vents.

Always pop back and let us know the outcome - thanks

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June 9, 2013 at 15:34:03
I had that problem before on a 10 year old desktop. It was a piece of greyware (annoying virus) that had changed the clock to the year 16000.Nothing worked properly but I can't remember if we did a system restore or just changed the clock back, but it fixed it. Just a weird (but true) suggestion.

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