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My computer will not turn on

Forum Homebuilt Systems : General Homebuilt - My computer will not turn on

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Hi first off i will say my pc specs :

Intel E8400 3Ghz Core 2 Duo
G-B EP35-DS3P
4GB (2x2) ddr2
sata wd 500gb hdd
g-b pci-e 512mb 8800gt
500watt. top power PSU

Not overclocked.


Last night, i was on my computer as usual playing a game, and all of a sudden my computer just switched off unexpectedly and has not shown any signs of over heating or anything like that. I then proceeded to switch it back on, but all i got was when i pressed the power button was the front two lights flash on and off. Through all this my PSU light is still on, but whenever i press the power button i get a flash of the lights outfront, and the lights on the motherboard flash on and off, for 1 second, i hear no beeps or anything and get nothing on screen.

thanks for any help, and it is greatly appreciated.

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Test your PSU, check for leaking/bulging capacitors. If those two things both check out, remove all drives/add-in cards from your computer and see if it POST that way.

I'd say it's about a 90% chance of a blown PSU. Just hope it didn't take any system components with it.

Reply to eqisow

how do i check my psu, the light in the psu box still turns on, do i remove the gfx card?. and dvd drive and hdd?

Reply to moshis
Tom's Hardware > Forum > Homebuilt Systems > General Homebuilt > My computer will not turn on
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