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How to check a power supply

Discussion in 'Hardware' started by Tracker_260, Sep 25, 2003.

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  1. Tracker_260

    Tracker_260 Thread Starter

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    I have an older computer that was acting up and completely shutting down every 20 minutes, and now it rarely will start at all. I was wondering the best way to check to see if the power supply is burned out, or if there is another possible issue. I have a voltameter for testing electrical stuff, but want to make sure that I don't do something really dumb!! Thanks for the help!
    Tracker
     
  2. Firah

    Firah

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    hi, Tracker!

    The best thing to do is to swap the power supply with a known good one, in my opinion.

    However, here's how to test it:

    HERE
     
  3. Tracker_260

    Tracker_260 Thread Starter

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    Thank you so much Firah! I will give the test a try and see what kind of readings I get!! Have a great day! Tracker
     
  4. Firah

    Firah

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    Hey, Tracker,

    Sorry to set you off half-cocked, but as you might have noticed that test is for ATX PSU only.

    And you should take a look HERE first also.
     
  5. Tracker_260

    Tracker_260 Thread Starter

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    Thanks again for the heads up...my multimeter confirms a 5 and 12 volt power supply, but I did notice a new POST beep sequence at boot up..1 long, 3 short (If memory serves that is an EGA issue...at least for IBM), but after another 15 or so seconds then I get another 2 short beeps...looks more likely to be a mother board problem and not a power problem. Thanks again! Tracker
     
  6. Firah

    Firah

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    To be certain, go to your BIOS manufacturer's web site and check out the beep codes.
     
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