Question about Compaq Presario M2000 Notebook

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Power light comes on will not boot up.

Please would you help me. My friend has a compaq presario M2000 PC notebook which is 2 years old. It has not had much use and never been misused. It was on a table working successfully. Switched off. Switched on again some time later. The power button illuminated the caps and number lock lights flashed on as usual and the fan switched on momentarily and then went off. No noises were made. The screen remained black. This fault is repeated at every attempt to boot up. Nothing is plugged into the computer. The fault occurs whether the battery is used or removed and the power pack is used. Removing and reinserting the RAM has made no difference. We have downloaded the service manual from HP and have completely exposed the mother board so feel ready to fix the problem if we only knew what it was. Could any one help us please Many thanks Juliet.

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  • undeterable Nov 25, 2007

    Thank you Tom! We have tested the power pack with the volt meter. The output stated on the pack is 18.5V. The meter reads 18.74 V. We are assuming that the battery charges because the charging light comes on when the Ac adapter is plugged in and is extinguished after the usual time taken for it to charge. We are really grateful for your advice. If you have any other suggestions we remain undeterred and keen to try them.

  • undeterable Nov 27, 2007

    Hi Tom.Thanks for your help. I would have to buy a battery connector board so I wanted to check with you first. We have tried with no battery in at all and there is exactly the same fault. Does this shed any more light?

  • undeterable Nov 29, 2007

    Yes Tom, I definitely will. I am awaiting text from parts supplier re the availability of the battery connector board. May I just check with you that the notebook would behave the same even if the battery and AV adapter are not plugged in? Thanks for all your help so far. I am away for 5 days will contact you as soon as I have installed the board.

  • undeterable Dec 05, 2007

    Hi Tom. I think that I must have mislead you with my description. I forgot to mention that the power button stays illuminated after the fan and caps and number lights have gone off. The power button stays on until it is held down for 5 seconds at which point it goes off. We have tested the battery connector board with a circuit tester and it is working fine. Sorry about the confusion. Do you have any further suggestions we could try?

  • undeterable Dec 06, 2007

    Thanks Tom, We will put computer back together this WE. Am slightly concerned as the display is black ie completely and utterly unilluminated, not just dim. Will get back to you when we have checked your proposition. Please don't give up on us.

  • undeterable Dec 07, 2007

    Tom may I just say that I don't think it is a screen problem because we did try the first half of the procedure you suggested before we asked your advice and it did not help. Also we think that the fan would continue to run if it were a screen malfunction. Please remember that the fan only comes on for a few seconds then goes off leaving the power button illuminated +/- the charging button on the front depending on whether the AC adapter is charging the battery or not. Thanks for your advice.

  • undeterable Dec 09, 2007

    Thanks Tom. I am unclear what you mean by a power issue. The power button which remains illuminated till it is switched off, is connected to the motherboard by a ribbon which is situated beyond the battery connector board and the external DC input. Does this make it any clearer? Thanks for your advice.

  • ten10 Jan 04, 2008

    power light flashes but will not stay constantly on when I try to turn the laptop on either when it is plugged into the mains,with or without the battery in place



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It stll could be a moniter issue since the computer is not running any programs it is not heating up therefor it dosnt require a fan my compaq m2000 is doing the same thing try plugging your computer in to a desktop moniter and see what happens you might find that it still works,if you have tried that allready then sorry thats all i have. thanks

Posted on Jun 03, 2008

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Check the power pack tip for voltage (19v).
Power pack could of gone and battery drained.

Posted on Nov 24, 2007

  • 5 more comments 
  • Thomas Christopher
    Thomas Christopher Nov 25, 2007

    The first thing to change out would be the battery connector board.

  • Thomas Christopher
    Thomas Christopher Nov 28, 2007


    Sounds the same to me. The board switches between the battery and outside power.

    If this doesnt work I would be really suprised.

  • Thomas Christopher
    Thomas Christopher Nov 29, 2007

    if this works for you, please rerate this.

  • Thomas Christopher
    Thomas Christopher Dec 06, 2007
  • Thomas Christopher
    Thomas Christopher Dec 06, 2007

    I wont. Thanks for the update!!

  • Thomas Christopher
    Thomas Christopher Dec 07, 2007


    you are right in thinking that the fan would continue to run if it were a screen malfunction.

    It seems that a power issue is the reason for your laptop trouble.

  • Thomas Christopher
    Thomas Christopher Dec 09, 2007

    underable,By power issue I mean that the battery or AC power is not reaching the board, probably meaning that the battery board is bad. Did you change it out yet?



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