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  1. #1


    Member Since
    Mar 14, 2010
    Posts
    1
    Angry Mac Book Shuts Off
    I'm looking for some help with my Mac Book,it will turns off suddenly without
    any warning when the battery indicator gets just below 1 hour remaining.
    This seemed to have started when I upgraded to 10.5, I did saw the warning
    on the screen once the other day ,showed 7 minutes left.I thought things were back to normal but it didn't stay that way.
    All my power settings are at "normal" and I'm showing 227 battery cycles.
    Any suggestions ?

  2. #2

    DavidHH's Avatar
    Member Since
    Feb 28, 2010
    Location
    Hamilton, Ontario
    Posts
    258
    Specs:
    21.5" iMac i5 2.9 Ghz, 15" MBPro i7 2.0 Ghz, iPhone 5, iPhone 4s, ATV2, ATV3, iPad2, iPad Mini
    I would try "calibrating" your battery.
    I have attached a document from Apple's Knowledge Base.

    Mac OS X 10.6 Help: Calibrating a portable computer battery

    DavidH

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