Dell Precision M90 - Doesn't Recognize Battery?

Discussion in 'Dell Latitude, Vostro, and Precision' started by BeefyBeefo, Oct 5, 2009.

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  1. BeefyBeefo

    BeefyBeefo Notebook Consultant

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    Hello everyone,

    I'm working on a Precision M90 for a friend. I've reinstalled the OS and all drivers from the Dell website.

    The problem I'm having is that even before reinstalling everything, the computer is not recognizing the battery. I've tried searching and came up with nothing. It doesn't show up in the BIOS or anywhere else. None of the lights on the battery are showing up either. The indicator on the laptop shows that it's in trickle charge mode, but this is clearly not happening. When I unplug the AC Adapter, it dies within a couple minutes. The computer will run without the battery installed on AC power only. I tried to flash the BIOS, but of course I can't because the computer cannot recognize the battery.

    My guess is that it needs a new battery? I was hoping someone here may know something that I missed before going and buying one. I appreciate any input! :confused:
     
  2. BeefyBeefo

    BeefyBeefo Notebook Consultant

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    I just ran the diagnostics boot menu, and the battery test came up passed. The results are in the picture below. Isn't this showing that the battery is at 100% charge? It still doesn't show up in the BIOS or anywhere else. I'm so confused. :confused: LOL

    [​IMG]
     
  3. BeefyBeefo

    BeefyBeefo Notebook Consultant

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    Anyone have any ideas?
     
  4. queuete

    queuete Newbie

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    It's your motherboard - it needs to be replaced
     
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