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  1. #1


    Member Since
    Oct 10, 2013
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    2
    Question How did this FRIED logic board recover? (no power)
    Hi guys,

    This is a strange one. I've had my macbook pro since late 2010, one month out of the extended apple care and boom... wont turn on. Seems a bit like a ticking time bomb, no?

    Paranoia around planned obsolescence aside, something strange happened. My symptoms were hinting towards a logic board problem (battery charging ok, indicator turning orange when charging, only turning green when fully charged of doing SMC reset) still in any case never powering on, plugged into the mains or not.

    Being out of warranty, I decided to open up my machine and take a look for myself. Sure enough, a capacitor or something had blown, taking a few things around it out too - see these pics:

    Flickr: bwolla's Photostream

    That whole area appears to control the battery interface with the logic board, so situation seemed a no go without a new board or some annoying soldering. (Anyone happen to know what capacitor this is supposed to be? incase I do have to repair?)

    HOWEVER, I put my case back on, turned the machine over, opened the lid and it just... turned on. Like it was waking from hibernation.

    What did I do? nothing. Unplugged the keyboard connector and put it back. blew away a little dust. You see from the pictures that this is a real hardware issue... so how on earth does it manage to turn on now!?

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
    Posts
    49,106
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, El Capitan
    Probably luck. It's hard to say what the components are from your photos (not clear), however, you may be able to identify them better by going to iFixit: The free repair manual and find your model. Look for the take apart instructions.

  3. #3

    pigoo3's Avatar
    Member Since
    May 20, 2008
    Location
    U.S.
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    35,391
    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.8.5
    Like chscag mentioned...probably luck!

    One thing I noticed...that burn-mark has an unusually "symmetrical" shape to it (kind of almost a perfect rectangle with rounded corners). It could just be coincidence. But normally burn-marks have a very free-form/random shape to them.

    Keep your fingers crossed!

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  4. #4


    Member Since
    Oct 10, 2013
    Posts
    2
    Quote Originally Posted by pigoo3 View Post
    Like chscag mentioned...probably luck!

    One thing I noticed...that burn-mark has an unusually "symmetrical" shape to it (kind of almost a perfect rectangle with rounded corners). It could just be coincidence. But normally burn-marks have a very free-form/random shape to them.

    Keep your fingers crossed!

    - Nick
    So where on earth did it come from? Looking at an image of the logic board from the manual, there is supposed to be SOMETHING there.

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