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Old 09-24-2005, 09:26 PM   #1 (permalink)
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Hey guys,

I just built a new computer about 3 months ago and it just died 2 weeks ago. I thought it was the PSU so i ordered a new PSU and the power comes for about 3 seconds and turns right back off. (The case fans spin and the CPU fan spin.) Is the power shutting off due to the motherboard or what?


Thanks for your help
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Old 09-25-2005, 12:51 AM   #2 (permalink)
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You might want to check out this site and find out if you have the right size power supply. http://www.jscustompcs.com/power_supply/

I can't really think of any other reasons you machine might be doing that. If I can think of any other reasons I'll be sure to post them.
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Old 10-05-2005, 06:39 PM   #3 (permalink)
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i also have the same probvlem bro
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Old 10-05-2005, 06:40 PM   #4 (permalink)
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LuckoftheIrish:

Please post your specs...
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Old 10-05-2005, 06:43 PM   #5 (permalink)
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make sure the heat sink and fan are properly seated, it could be overheating, but I'm not sure if that could have killed the powersupply
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Old 10-05-2005, 08:12 PM   #6 (permalink)
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What kind of graphics card? If you have a psu powered card and it has taken a dump your system will start to power up and then instantly shut down. Stick the video card in another puter and see if you get the same problem or normal boot. any dead psu powered ati or nvidia card will cause this problem if it has foobared.
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