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Computer trouble My computer turns off randomly, its not laptop andit happens very often. Ive tried pulling it apart and ther's nothing wrong with the power

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Re: Computer trouble

Opening and touching the IC's and any components can be killed by electro-static interference, if your going to handle the motherboard or any daughter boards, get yourself a static bracelet, and avoid touching contacts etc: now... firstly: The power supply count be failing, check this with a volt meter, each power cable to your optical drivers has two black leads and a yellow and then a red wire, the red is 5v and the yellow is 12. If this is fine, take your motherboard installer booklet, and look at where the power and reset pins are on the board and make sure the switches, reset, LED's and Power buttons are all correctly installed. Now carefully remove the battery on the motherboard and with the power disconnected push the power button. The led should flash then die out, now replace the battery, and you have just reset your cache and your bios is reset too. Now start up your comp and go into the BIOS settings by hitting "del" in the POST, 'when it switches on.' check the voltages to the CPU, syst fans etc to make sure they are all normal. Now when you exit the comp. will reset. Start the computer in safe mode, and use system restore, to role back to 2 or 3 days, too make sure it?s not a software prob. Good luck! If the prob persists, use a new or spare power supply, 400W or 200W is fine. Also put up a new post here, and I will go into more detail. Cheers.

Posted on Sep 25, 2007

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Open case and unplug power supply from the board.
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