Quantcast Dell Precision M90 - Doesn't Recognize Battery?

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  1. #1
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    Default Dell Precision M90 - Doesn't Recognize Battery?

    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!
    ASUS N51Vn-A1
    Core 2 Duo T9600 2.8GHz
    GeForce GT 240M 1GB DDR3
    4GB DDR2 - 320GB 7200 - Bluetooth
    Other: MBP 13", T42 & T43

  2. #2
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    Default Re: Dell Precision M90 - Doesn't Recognize Battery?

    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. LOL

    ASUS N51Vn-A1
    Core 2 Duo T9600 2.8GHz
    GeForce GT 240M 1GB DDR3
    4GB DDR2 - 320GB 7200 - Bluetooth
    Other: MBP 13", T42 & T43

  3. #3
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    Default Re: Dell Precision M90 - Doesn't Recognize Battery?

    Anyone have any ideas?
    ASUS N51Vn-A1
    Core 2 Duo T9600 2.8GHz
    GeForce GT 240M 1GB DDR3
    4GB DDR2 - 320GB 7200 - Bluetooth
    Other: MBP 13", T42 & T43

  4. #4
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    Default Re: Dell Precision M90 - Doesn't Recognize Battery?

    It's your motherboard - it needs to be replaced

 

 

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