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PC won't turn on

My computer won't turn on. It was working perfectly the night before. But now, when I push the power button, the pc turns on for a second and then off (the case fans, cpu fans, and cd drive turned on for a second and others). I'm not sure what the problem is. The LED light on my motherboard is on like usually. I did the paper clip test with the power supply (unplugging the power to the motherboard, and using a paper clip to connect the green wire to a black one), and the case fans were running fine. Any help would be nice. Thanks!

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  • DennisC8723 Jun 06, 2008

    I did what you said, but it still did not fix the problem. I just bought another power supply, but it still doesnt work, so I know it isnt the power supply. I know its not the harddrive either because when i unplugged it, it still does the same thing. However, something interesting is that when i unplug the power supply to the CPU, the PC stays on when i turned it on, but however nothing displays. But with the CPU power supply plugged in, it just turns off as soon as I turn it on. Thanks for trying to help me though!

  • Anonymous Jul 01, 2008

    The same problem with HP Pavilion a6230n. Any clue either.


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What you need to do is reset the bios. If it wont void a warranty..and don't blame me if you ruin your computer, even though this is completly safe.

Unplug your power supply, push thepower button to get rid of extra saved up juice, then take you side panel off and locate your cmos jumper near the battery. You need to position the jumper on 2 of the pins and keep it there for 8 secs. Then put your jumper to origional position and restart your computer. You will have to reset your time and all of your bios settings. YOu can load optimal defaults if you arn't sure what to select.

Posted on Jun 03, 2008

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