PC keeps shutting down, possible over heating

October 30, 2010 at 17:05:45
Specs: Win XP, 2gig
i have a pc which about 4 weeks ago would re-boot itself on start up, it would take about 7 attempts before i could access my desktop.
i thought it maybe a hardrive issue so i bought a new 1TB HITACHI 7K2000 SATA HDD this did not solved the issue so i thought it was a processor issue, i then bought a AMD Phenom X4 9850, the pc boots up first time every time, however now the issue is after being on for a few hours or if its running something to stressful the just pc shuts down, the power supply is extremely hot, is it supposed to be, could the motherboard be failing? im not sure why this is happening hench my post, my setup is as follows:
ABIT A-S78H 780G Socket botherboard
Corsair 2GB
LG Electronics Blu-Ray & HD-DVD-Rom
i also have a second drive Samsung SpinPoint F3 500GB Hard Drive

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October 30, 2010 at 18:29:25
Why buy replacement hard drive & CPU without doing any testing to see if they were faulty? Did you run any kind of diagnostics tests on the drive? Have you looked in BIOS at system temperatures? Are you just guessing about possible overheating?

You also have not given any specs on your powersupply other than to say it gets "extremely hot". All your problems may stem from an inadequate or faulty powersupply. What brand ? What total wattage and what amps on each voltage rail?

Goin' Fishin' (Some day)

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October 31, 2010 at 02:43:44
thanks for your response
i have checked the power supply this morning and i have noticed the fan is not working, the power supply is only 220w i have attached pictures of the open case and of the fan, this is a multimedia center setup and not your usual pc tower setup.
the case i have used is a Sonata MATX MediaCenter Case with a 220W PSU 20+4pin


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October 31, 2010 at 03:23:06
im guessing u have a power supply issue a 220 watt power supply with the specs u have wont be able to handle ur cpu (amd phenom x4)thats why the fan is not spinning id suggest a psu upgrade

computers are a second home

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October 31, 2010 at 05:13:46
"i have noticed the fan is not working,"
That is your clue to replace the power supply.

Some HELP in posting on Computing.net plus free progs and instructions Cheers

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