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Finding my computer powered down

by k115810 / January 1, 2009 5:09 AM PST

I normally leave my PC on all of the time. Lately, I've been finding it powered down periodically. I'll come down in the morning and it's frequently off. I'm not exactly sure if this is due to software (I recently installed a new anti-virus program) or hardware (is my computer running too hot?)

I downloaded Speedfan, and it seems that my CPU is running at around 55-65 degrees Celsius, which is apparentely hot. I will take the cover off and try to blow out the dust. Does anyone know what a good target temp IS for the CPU?

Anyway, I'm looking for any specific evidence of what is shutting my computer down. Maybe something in the event log?

My computer is a Compaq Presario (a few years old) and is running Windows XP.

Here are screens from SpeedFan and Everest:

Any ideas? Thanks in advance for sharing your expertise.


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