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A1286 820 2915b mem slot BURNED? OR CPU?

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    A1286 820 2915b mem slot BURNED? OR CPU?

    Hello

    I have been watching youtube and all of a sudden the macbook crash and started beeping on high sierra... then 3 beeps trying to restart... ok.. changed the ddr3 4gb to the superior slot and was fine for 5 days... Now was doing exactly the same music videos and puff again same issue... the ddr3 stick works fine in another mac so there is something wrong with motherboard... tried to adjust screws checked 0.75v present and all is fine... no other mem stick works im any slot of this macbook.... is there a common issue here that you can help me with??? thks in advance guys....
    Marcelo J

    #2
    Re: A1286 820 2915b mem slot BURNED? OR CPU?

    Review this thread...

    https://boards.rossmanngroup.com/thr...m-slots.59563/

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      #3
      Re: A1286 820 2915b mem slot BURNED? OR CPU?

      thanks Mon2 it is very likely that the CPU is bad, since i remember some months ago i did a reflow to it , to make it work again under a similar issue..... the ddr3 sticks are fine, and the contact in slots also fine,,, so they might be the inner tracks inside the board to reach the cpu or the cpu itself semi toasted.... thanks but this willl be trash
      Marcelo J

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