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hcross818

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21 years ago

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hcross818

17 Posts

0

7435

July 22nd, 2005 14:00

C640 Not powering up

My C640 has a problem with powering up. When I push the power button the indicator lights on the right will flash and after a second or two the laptop shuts down. I can tighten one of the "B" motherboard screws and it will turn on every time. Does this mean I will have to replace the motherboard?
  • A

    AussieChris

    4152 Posts

    233

    0

    Posted July 25th, 2005 03:00

    Hi,

    You may have a bad MBD, but try to reseat everything first. Why are the screws loose ?

                                                                              Regards Chris

  • S

    snapohead

    1230 Posts

    233

    0

    Posted July 26th, 2005 03:00

    I'd suggest reseating everything and making sure all the screws are in firm.
  • H

    hcross818

    17 Posts

    233

    0

    Posted July 29th, 2005 13:00

    As far as I could tell the screws were never loose. When this started happening I recalled reading somewhere that one or more of the screws that hold the motherboard in place also act as a ground. If the screws were missing or loose it may not POST. So I loosened then tightened all the motherboard screws and it worked. Now almost without exception I have to do this to get the laptop to boot.

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