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Desktop Will Not Power Up


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#1 murfak

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Posted 07 September 2007 - 09:12 AM

Hello, I have a hp pavilion a220n desktop. it will not power up , it is not doing anything. I know that it is getting power thru the cord. is there a fuse that could have blown? so far i haven't been able to find one. any help would be appreciated.

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#2 garmanma

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Posted 07 September 2007 - 12:40 PM

Have you left it unplugged from the wall socket for a while and retried it? Power supplies do go bad. Some have a soldered fuse, but if you're a novice I wouldn't recommend attempting to take it apart. Bad things can happen. You're not hearing anything spin or any post beep's, correct?
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#3 murfak

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Posted 08 September 2007 - 02:03 PM

It was working the day before , went to turn it on and nothing completely dead.

#4 usasma

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Posted 09 September 2007 - 07:07 AM

You can use a multimeter to test the PSU's output, or you can get a PSU tester for about $10 on the web. Another option is to try another PSU in it's place (one that's known to be good).

If it still doesn't boot up, then there's other issues that'll need to be looked at.
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#5 Jove

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Posted 14 October 2007 - 06:21 PM

Can I intercede here since the original poster has not returned in a while, . . .

I have a Compaq 4403US That is down and out, . . After several attempts at starting it, the LED's were blinking then they stopped altogether, the computer is dead, no fans no light no anything, . . .

I have checked the power outlet and plugged the cord into another still nothing, I am assuming that it is a PSU, . . if so I have read usasma's post that you can try to install another PSU from another computer, . . if I am correct this is a large box at the back of the computer that has a group of colored wires that plug into the mother board ?

If so, are most compatible with one another ?

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#6 Sneakycyber

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Posted 15 October 2007 - 05:47 PM

It depends on the computer some older compaqs have proprietary power supplies. If wattage rating is close and the Mainboard connectors match you can use it to test motheboard, CPU, and memory function.
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