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a1370

  1. DjSPisa

    MacBook air A1370 820-2855 ram or cpu issue?

    Hi, I'm learning how to repair the macbooks, I'm working on a macbook air A1370, card 820-2855 A, the cold machine starts normally, at some point, has video artefacts, and then 3 beeps, I don't seem to recognise the twig, I don't know how to do it, because