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Compaq computer fan comes on computer wont power up

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by mcooknoe

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I have an old compaq computer that will not power up. If I unplug it and plug it back up, the fan starts running but the computer will not power up. The light comes on on the power button but the power button has no affect. Is the PS unit bad?

Any help or advise would be greatly appreciated.

2 replies

by mjd420nova

The 5 volt section of the PS has failed. The fans run on 12 volts and that may still be working but without 5 volts nothing else will work.

by mcooknoe

Fantastic.. Thank you... I thought the PS was the problem but didn't want to purchase one and have it be something different..

Thank you

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