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Single out the hardware error

Has anyone information for determining which component is giving trouble?

Situation: PC shuts down and does not power up anymore. Power LED alluminated but all that is active is the fan. How can I confirm that the power button is giving trouble?

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Depending on your specific hardware. I would start off with a multimeter and see what the power supplies does. I have had PC's that did this with bad CPU's , CMOS that needed to be cleared as well as as bad Caps and numerous other errors.


Which pc? Model no. ?


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Here is a link to a troubleshooting process to help determine your problem. If that doesn't clear your problem please google "PC shuts down and does not power up" for further links that may be a help to you.

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I have replaced capacitors on several boards to bring them back to life. If any of the capacitors on the board are puffed up on top or are leaking; then that's the problem.

Just read the side of the capacitor to get the type and ohms. I get mine from mcm electronics. They carry a wide selection and good prices.

You un-solder the old one. Note the orientation before removing, that determines the +\- side. Solder in the new one.

That should do it. Most times there was more than one that popped. Check the board carefully. Good luck.

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