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New power supply makes fan run constantly

Last answer on Jan 10, 2009 10:13:07 am GMT huna, on Jan 10, 2009 10:11:37 am GMT 
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Hello,
My computer started shutting off randomly, and then eventually it wouldn't boot up at all. When I take off the connection to the motherboard and turn switch on power supply on/off, it will turn fans for a couple seconds, then nothing. I have to unplug the power to motherboard and plug back in, then it will turn fans for a couple seconds again. I brought in to a place to check if power supply was bad and they confirmed it.

So I installed the new power supply. When I turn the switch on the back of the power supply the fan on the mother boards instantly turns on and stays on. I get power to the cd/rom, and I hear the hard drive spinning. There is no way to turn off the fans unless I turn the switch off on the back of power supply.

All that being said, does this mean the mother board has gone bye bye?

Thanks.

Configuration: Windows XP
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 huna, on Jan 10, 2009 10:13:07 am GMT

It will not boot up still with the new power supply.

Reply to huna