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820-00165 not booting fully, tried practically everything.

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  • 2informaticos
    replied
    Could be CPU issue.
    Try to boot Linux, or Windows; let see if anything change.

    Leave a comment:


  • JohnB8812
    replied
    Probably bad CPU would not be surprised at all

    Leave a comment:


  • 820-00165 not booting fully, tried practically everything.

    I am getting the strangest issues lately..
    This MacBook Air 2017 is not booting; the loading bar takes a long time to fill up, and then it's stuck.
    In verbose mode, it stops and waits for the iGPU apparently: keeps repeating this line every 60seconds:

    busy timeout[0], (60s): 'IGPU'
    busy timeout[1], (60s): 'IGPU'
    etcetera..

    I have tried with everything disconnected but known-good IO board and LCD.
    Even tried only external screen.
    Tried booting up several different known good flash drives with different OS-es: all same thing.

    Tried cleaning ME region (with Medusa2)
    Tried using 3 different 00165 BIOS files found all over the web (with or without cleaning the ME-region after writing it to the board).

    Anyone have any ideas?

    *EDIT: by the way, this board is absolutely clean.

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