Macbook Pro A1278 820-3115-B

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  • xalu
    Member
    • Mar 2015
    • 37
    • United States

    #1

    Macbook Pro A1278 820-3115-B

    I have a macbook pro with a bad logic board. Trying to isolate the issues. The macbook starts right away if I plug it in, and stays on (wont shut off with power button). The battery does charge and if I unplug the macbook it will stay on battery power.

    Also, the bottom ram slot is giving me the three beep error, though right now this is secondary to the power issue.

    Any ideas on where to look?
    Last edited by xalu; 05-09-2015, 09:31 PM.
  • xalu
    Member
    • Mar 2015
    • 37
    • United States

    #2
    Re: Macbook Pro A1278 820-3115-B

    Well. Looks like it was the keyboard. Im now looking into ram slot issue. One slots still usable but would be nice to have two!

    Comment

    • BCConnectionLLC
      Member
      • May 2015
      • 47
      • USA

      #3
      Re: Macbook Pro A1278 820-3115-B

      which ram slot is giving you the beep when the logic board is installed?

      Comment

      • xalu
        Member
        • Mar 2015
        • 37
        • United States

        #4
        Re: Macbook Pro A1278 820-3115-B

        The bottom slot on when rams installed. Bottom when logic board is installed.

        Comment

        • alihomee
          Badcaps Legend
          • Dec 2012
          • 1574
          • malaysia

          #5
          Re: Macbook Pro A1278 820-3115-B

          try to change battery charging ic

          Comment

          • dellxps15
            Badcaps Legend
            • Feb 2014
            • 1588
            • italy

            #6
            Re: Macbook Pro A1278 820-3115-B

            Originally posted by xalu
            The bottom slot on when rams installed. Bottom when logic board is installed.
            put a 1mm or 1.5mm (dont remember wich one i used, but do some try and find out with one is ok )thermalpad on right side of ram and then install the ram. it should fix that issue.
            alternatively, you have to remove the mainboard and see why it is a bit bent (that cause ram slot problem)

            hope it helps
            Attached Files

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            • xalu
              Member
              • Mar 2015
              • 37
              • United States

              #7
              Re: Macbook Pro A1278 820-3115-B

              Originally posted by dellxps15
              put a 1mm or 1.5mm (dont remember wich one i used, but do some try and find out with one is ok )thermalpad on right side of ram and then install the ram. it should fix that issue.
              alternatively, you have to remove the mainboard and see why it is a bit bent (that cause ram slot problem)

              hope it helps
              I'll give it a try. Thanks for the tip!

              Comment

              • tata123
                Senior Member
                • Nov 2013
                • 104
                • Germany

                #8
                Re: Macbook Pro A1278 820-3115-B

                yes try to chnage or measure the ISL 62... for battery charge!!

                Comment

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