My Computer is Down

akbiro
akbiro used Ask the Experts™
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My PC is down.  It is a 5 year old XP by HP.  The drives do not spin up, the light on the front panel does not light up and it does not even run the onboard bios.  The fan in the power supply is running but not the one in the computer or on the Chip.

I traded the power supply with a power supply from an old computer that works and nothing changed.  Is there something I am missing?
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Do you hear a beep sound while turning on the pc? If not, you need to open the cabinet and remove all the cables including the Bios battery, clean it using a blower and reconnect it. I think it must work out.
Check motherboard LED turns on when u power on the system.
Let me know the status.

Author

Commented:
That is what I did.  I changed out the power supply to one I had in an old computer...pulled the battery and put it all back in the computer.  No lights, no beep, no disk spin...the only thing running is the fan in the power supply.

THANKS

Author

Commented:
do you give up...I am willing to try anything you suggest
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It could be the motherboard, but, as you didn't state the age or wattage of the power supply that you swapped it with, I think it still may be a power supply issue.  If you have access to a multi-meter (if not, Harbor Freight or a similar store sells them for around $5.00), with all the peripherals plugged in, boot computer.  With the voltmeter set to 12v dc setting, plug black lead to black wire on one of the extra connectors, red lead on voltmeter to yellow wire on connector.  You should be getting at least 12 volts, if not, then the PS is too weak.  If 12volt, black to black, red to red, you should be getting 5 volts, if not, then ps is too weak.  If passes these tests w/ that voltage or a little higher, then you have definite mobo/processor failure.

Author

Commented:
OK...I will give it a whirl...thank you very much

Author

Commented:
If you can believe it, I think my Meter is out as well...but I think you are right.  I will get another one, make your tests and then move on.  THANKS VERY MUCH

Author

Commented:
Thank you very much...
sorry for the delay...
you didn't mention it whether the motherboard power LED turns ON when u turn on ur pc. if not try changing the SMPS.
Still not working means there will be capacitors next processors usually.. check any misalignment of capacitors.. then it's mothervoad issue.

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