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Old 12-04-2008, 11:10 PM   #1 (permalink)
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Default Computer won't fully power up

When I press the power button to turn the computer on it seems like it is on. lights come on fans turn on cd drives spin. but the video card and from what I can tell the USB ports do not turn on. I must hold the power button let it turn off and then hit the button again and everything will power up. What can be the problem? see my sig for build

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Old 12-05-2008, 12:18 AM   #2 (permalink)
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Default Re: Computer won't fully power up

Could be a dying power supply. Or maybe dodgy RAM/motherboard. Could be lots of things really.

I'd first try a new/known working power supply, and if that doesn't help then try new/known working RAM.
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Old 12-05-2008, 08:52 PM   #3 (permalink)
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Default Re: Computer won't fully power up

i should have included it has done this since the day i got it and everything was new. actually 2nd power supply. i understand new doesn't always mean working proper but how can i test these things?
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nvida 5600FX 256MB 8X graphic card W/ tv out
NEC-2500a & NEC-3500a dvd burner
soyo dragon II mother board
P4 2.4ghz HT 800mhz fsb
120GB maxtor HD & 500gb sata hd
512mb ram pc3200 400mhz made by ultra
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Old 12-05-2008, 09:24 PM   #4 (permalink)
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Default Re: Computer won't fully power up

Does it run fine once it's on?
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Old 12-08-2008, 10:31 AM   #5 (permalink)
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Default Re: Computer won't fully power up

yes once it turns on it is fine.just turning it on is when the problems happens.
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My set up built april 2004
nvida 5600FX 256MB 8X graphic card W/ tv out
NEC-2500a & NEC-3500a dvd burner
soyo dragon II mother board
P4 2.4ghz HT 800mhz fsb
120GB maxtor HD & 500gb sata hd
512mb ram pc3200 400mhz made by ultra
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Old 12-08-2008, 02:28 PM   #6 (permalink)
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Default Re: Computer won't fully power up

Power supply, sounds like... The initial amperage spike may be too much for it..

What size is it?
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Old 12-09-2008, 01:47 AM   #7 (permalink)
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Default Re: Computer won't fully power up

i believe 450w or 500W after the first went bad ATX upgraded so not sure but one of the two. So you think the power supply is only powering up half the computer?
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My set up built april 2004
nvida 5600FX 256MB 8X graphic card W/ tv out
NEC-2500a & NEC-3500a dvd burner
soyo dragon II mother board
P4 2.4ghz HT 800mhz fsb
120GB maxtor HD & 500gb sata hd
512mb ram pc3200 400mhz made by ultra
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