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after several hours, slows down, shuts off

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#1 susger


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Posted 26 August 2010 - 03:45 PM

in the last few days, after 7 or 8 hours of use, my computer seems to slow down, stop functioning and shut itself off.
Or else, when I come back to it after being away several hours, it has shut down, without closing the programs properly.
The screen is black. I think the power is still on, although once I found the power surge bar shut off!
Is is difficult to boot up again, but once I power it up again, it boots without any problems, and runs fine, until it slows down, stops working and fails again.

The ambient temperature is cool, and the hardware diagnostics show no problem. No viruses or malware detected.
It's a stand-alone Dell dimension 8250, Intel, Pent 4CPU 2.66 GHz and the OS is XP Pro 2002, SP3.

I wonder if it is a Power issue. I have shut off standby and hibernate because they used to give me problems.
I don't have a special UPS installed.

Any help appreciated.

Edited by susger, 26 August 2010 - 03:46 PM.

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#2 dc3


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Posted 26 August 2010 - 06:23 PM

If you found the power surge bar off, then I need to ask, is there a reset button on it? And did you have to reset it in order to get your computer back on?

Are you living in an area that has electrical "brown outs"?

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#3 susger

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Posted 26 August 2010 - 07:43 PM

Yes, I had to reset it before I could power up the computer.
But that was the only time the surge protection seemed to have shut itself off.
All other failures occurred while the power supply to the computer was on.

I normally don't have brownouts or electrical spikes.

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