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  1. Sdogs

    A1708 820-00840 won't turn on after battery replacement

    this macbook had had liquid damage, i replaced trackpad connector, i also changed efi chip, battery was dead and put in a new one. Today I connected the battery without fixing with double sided tape, I switched it on and everything went smoothly. Before turning off I deactivated autoboot with a...
  2. Sdogs

    A1990 820-01326-05 stuck 20v strange voltage fluctuations

    thank you for allowing me to participate in this Forum, as a hobby I delight in the repair of macbooks, I am a beginner, I have this macbook that I bought to try to get it back in operation. At the first attempt it turned on it seemed to have a correct absorption of amps and seemed to charge the...
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