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Laptop Randomly Turns Off When In Battery

Discussion in 'Hardware' started by tshaw99, Jun 3, 2010.

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  1. tshaw99

    tshaw99 Thread Starter

    Joined:
    Jun 3, 2010
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    My laptop keeps turning itself of when it is on battery. It lasts about 20 minutes, but is getting shorter everytime.

    The battery is not running out- when I turn it back on it has 50% charge normally.

    It turns off as if it has no power- no warning, and when I turn it back on it reloads and everything is new, with documents and Internet sessions needing restoring.

    How can I fix this? I don't think it is the battery, as it has charge when I turn it back on, and it only has 20% wear.

    Thanks!
     
  2. Gr3iz

    Gr3iz

    Joined:
    Mar 9, 2009
    Messages:
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    First Name:
    Mark
    Welcome to TSG!!

    If it's truly random, it won't be the Power Management settings. Some laptops have a utility that enables you to "calibrate" your battery. It will fully charge, then fully discharge the battery, perhaps more than one cycle, to allow the laptop to "learn" the battery's capabilities and characteristics. Check and see if you can find such an app. Different manufacturers will give it different names. Also, check their Web site to see if it is a separate download.
     
  3. oksteve

    oksteve

    Joined:
    Sep 14, 2008
    Messages:
    941
    Its a random affair,battery readings being accurate .
    Often it can be a duff charger that is causes this kind of problem. Is it the one that came with the laptop ?
    What specs do you have tshaw99 ?
    And how long have you had the battery, is it the original one
     
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