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Thread: Computer components - power issue.

  1. #1

    Default Computer components - power issue.

    Not specifically a linux / opensuse problem, but maybe someone can help.

    so i press the on button on my PC and i get just the led light, no fans, no hard disk - when i look inside the fans just give a whirr, then die.

    so I have a power supply tester,
    and i plugged in the 24 pin motherboard connector and the 4 pin motherboard connector and from on the unit, on the 4 pin connector it has

    (only +12v lights up)

    on the 24 pin connector, it has
    (all light up except the -5v)

    interestingly when the power supply tester is plugged in, the hard disk begins to whirr, but the fans remain dead.

    Do i need a new PSU, some new wires, a new motherboard, or a whole new computer?
    or can I fix it.

  2. #2
    Join Date
    Jun 2008
    Earth - Denmark

    Default Re: Computer components - power issue.

    On 04/14/2011 05:06 PM, eds19 wrote:
    > so I have a power supply tester,

    do you have the user instruction manual which came with the PSU? ;-)

    i don't know what it says, but i guess you should see your answer in
    there somewhere..

    but, if you have no output on some leads: replace the PSU.

    and i suggest you look at the label on the one to be replaced to see its
    rated output and buy a new one which is half again as powerful....that
    is, if the old one is 300 watts, buy a new 450 watts, or larger..

    it will run cooler, last longer and give smoother/cleaner output...
    and, the price difference between a 300 and a 500 is usually pretty
    small--oh, and buy one with "quiet" in the name...

    please note: you didn't give us a lot of info, so maybe you have a bad
    motherboard which fried your PSU...and, if you put a new one in the bad
    board may fry it, before you buy the one read my caveat, below..

    [NNTP via openSUSE 11.3 + KDE4.5.5 + Thunderbird3.1.8]
    Q: Why do you upgrade?
    A: Because the Gecko is always greener on the other side!
    So said k428 in

  3. #3
    Join Date
    Aug 2008

    Default Re: Computer components - power issue.

    The same thing recently happened to me with a desktop, POST wouldn't even start. After testing with another PSU and another cpu cooler fan, I ended up changing the motherboard.

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