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  1. 12-13-2010, 07:10 PM #1
    kahlil88 is offline

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    Unhappy MacBook shuts off
    Someone brought in a MacBook to the computer repair shop I work at, originally to diagnose intermittent keyboard issues of some sort (which I have yet to experience, aside from the arrow keys not working). After being on for a few minutes (with or without battery) a shut down prompt will appear and if I don't immediately hit cancel it will just shut off. I tried resetting the PRAM and PMU but it still happens every time. I think it's triggered by the "turn display off" setting.
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  2. 12-13-2010, 08:53 PM #2
    chscag is offline

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    Try resetting the SMC. Probably not going to work, but worth trying in case the machine has suffered some "brain damage".
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  3. 12-14-2010, 03:46 PM #3
    kahlil88 is offline

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    That's what I meant by PMU, but I guess they're different?
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  4. 12-14-2010, 07:56 PM #4
    chscag is offline

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    Since you already tried resetting the SMC, did you try resetting the PRAM/NVRAM? LINK
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