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Thread: Problem after replacing Logicboard on Macbook

  1. #1


    Member Since
    Jun 26, 2010
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    7
    Problem after replacing Logicboard on Macbook
    I changed the 820-2279A logicboard on my Macbook A1181. Now it will not restart to the hard drive (flashing question mark) but it will boot to a black osX disc. However, I then get the message "Mac OSX cannot be installed on this computer". I tried reformatting the hard drive via the Disc Utilites on the disc but it doesn't make any difference. I have also reset the PRAM and SMU and now I am flat out of ideas.

    Anyone have any suggestions? Are there any resets that need to be done when a logicboard is replaced?

  2. #2

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    55,626
    It sure looks like you've done everything you need to do to get it up and running. The only question I have - Is the logic board you installed the same exact one as the one you removed? Not a substitute, but an exact replacement? The reason I ask is if there is any difference in the firmware between the logic boards, it may not work.

    Regards.

  3. #3


    Member Since
    Jun 26, 2010
    Posts
    7
    The replacement has the same model number etched on the board "829-2279 A" as the original one and it certainly looks identical but, other than that, I don't know how to tell if it really is the correct one. The fact that it will boot to the CD and will run Disc Utilities is somewhat encouraging but I just can't get it to take the OSX installation.

  4. #4


    Member Since
    Feb 21, 2009
    Posts
    14
    Apparently the motherboard just isn't identical, if you could try with retail OS X disc and even that fails then you have real problem. It is normal that you cannot install OS X to another computer with those discs that came with another machine, if the model differs.

  5. #5


    Member Since
    Jun 26, 2010
    Posts
    7
    I am using the retail OSX installation disc (the black one) not the grey one. The Disc Utilities log says "Folder Manager is being asked to create a folder (cach) while running as uid 0:"

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