Why does my MacBook keep shutting down?

Discussion in 'MacBook Pro' started by Krafty, Feb 18, 2008.

  1. Krafty macrumors 601

    Krafty

    Joined:
    Dec 31, 2007
    Location:
    La La Land
    #1
    Whenever I get to 30-40% battery life my MB just shuts off. This is the 3rd time I've been working in class and it just shuts off without notification, and the battery status says about an hour left.

    So why does it just shut off?
     
  2. smogsy macrumors 6502a

    Joined:
    Jan 8, 2008
    #2
    you tryed re-calibrating your battery might be a misreading,

    my macbook gets to 5% before it goes off
     
  3. aross99 macrumors 68000

    aross99

    Joined:
    Dec 17, 2006
    Location:
    East Lansing, MI
    #3
  4. Krafty thread starter macrumors 601

    Krafty

    Joined:
    Dec 31, 2007
    Location:
    La La Land
    #4
    Alright thanks. (Just realized i posted this in the wrong forum)
     
  5. whooleytoo macrumors 603

    whooleytoo

    Joined:
    Aug 2, 2002
    Location:
    Cork, Ireland.
    #5
    I'm on a MacBook Pro, but am seeing the same. Consistantly around the 30% mark it shuts down. (I've already replaced one battery, and wasn't sure if I need to do so again or if it's just a matter of re-calibrating).
     
  6. caf9128 macrumors member

    Joined:
    Nov 25, 2007
    #6
    How can this be?
    According to the MacBook Air fans, batteries never fail, and never require replacement!
     
  7. Krafty thread starter macrumors 601

    Krafty

    Joined:
    Dec 31, 2007
    Location:
    La La Land
    #7
    Yeah, too bad we're talking about the regular Macbook.
     
  8. bensmom243 macrumors newbie

    Joined:
    Apr 11, 2005
    #8
    I just had my battery replaced last week. My MacBook was behaving the same way, it would shut off after just 15-20 min. with no warning (battery would indicate anywhere from 40-50%). I headed up to the local apple store, the genius took a look at it and replaced the battery on the spot. My Macbook was out of warranty (purchased in May 2006) as well. Good Luck!
     

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