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  1. #1

    Member Since
    Nov 18, 2007
    Turns off with no low battery warning
    Hello, I have a 17" macbook pro.

    After over a year of happy computing, my computer just turns off with no warning of a low battery. And in fact the battery is usually at 30 or 40 percent (in finder display, and also according to direct LEDS on battery).

    I thought it was the battery so I replace it. Nope... still does it.
    I thought it was a software problem, so I erased my disk and installed leopard... Nope still does it.

    So not battery, not software. Anyone out there with an idea of what it could be?

    Many thanks,


  2. #2

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
    Are you anywhere near an Apple store

    You could it to the experts bar and ask them if there are any known issues with your MacBook

    Must be a hardware issue with all the things you have already tried.

  3. #3

    Member Since
    Dec 11, 2007
    It's not hardware
    I don't think that this is a hardware issue. DID YOU UPGRADE YOUR COMPUTER TO LEOPARD? We upgraded few macBooks and macBook Pros from tiger to leopard and since then all upgraded notebooks have the same problem: No low battery warning, once the battery has been drained it shuts down the machine.

    I think it is a bug in OS X 10.5 and most likely we are going to see a fix for it shortly. Apple the new Microsoft: BUILD, SELL and FIX LATER...

  4. #4

    Member Since
    May 20, 2008
    What Worked for Me
    I went to Control Panel > Energy Saver and set it back to the defaults. I had set it to Never put the computer to sleep, and I haven't had a shutdown since I set it back to the 10-minute default.

  5. #5

    Member Since
    Mar 09, 2009
    Question 17 macbook pro battery problem
    I am also having this problem. No warning and computer just loosing power shutting down even when battery length shows as 50-60%. I upgraded from tiger to leopard but ages ago and this has only recently started happening.

  6. #6

    Member Since
    Mar 11, 2009
    Lightbulb MBP 15" Upgraded to leopard. Same story
    Have recently started experiencing this problem. Tried reinstalling OSX, installing iFan control, resetting etc.
    tried the suggestion from this thread on energy saving - still no turn offs for 20 mins. I literally had them every 3-5 mins! It is a disaster as I'm working on a project with hardcore deadline...

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