Question about Dell Dimension 2400 PC Desktop

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Power Supply diagnosis needed

I've been told to short pin 4 on my pc psu to the case to diagnose a fault. What he didn't tell me is what the result would be. Can you tell me what i'm looking for please? Should it spin the fan on the psu, thus indicating that there's power to it, or should it be to test something else?

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It basically resets the bios to default

Posted on Oct 25, 2008

  • Debs
    Debs Nov 01, 2008

    Sorry answered the wrong question on your query.



    It checks your power supply to your computer.

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Sound to me like all you need is a new power supply. You should be able to find one online.
The power supply should have taken all the jolt and not the motherboard.
If you need help finding a power supply let me know, usually they are pretty generic, but you may have to get one from HP.

I hope that I have provided the correct information that will assist you in the resolution of this issue. If you have any questions, please post back with a comment to this thread.
If I have helped you with your question and/or solved the problem, please take just a moment to rate this post. Thank you!

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tyan i5400xt.. to test for ground.. pull the board from the chassis and test with a different known good power supply

if the boot works... then you have a power supply issue...

does the board have a post code lighted signal ???

if so.. a bad power supply should goto FF error code

verify you have enough power on the cpu rail with your power supply specifications also

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mark@omces.com

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