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820-3332-A Boots and runs great. Screen suddenly goes of. No backlight, no picture.

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  • 820-3332-A Boots and runs great. Screen suddenly goes of. No backlight, no picture.

    Like the subject says. Board has reported liquid (coffee) damage although I can't see anything.

    Machine appears to still be running ok. HDMI port appears to be damaged so can't test external screen.

    Thinking I'll start by investigating SMC_LID signal?

  • #2
    Check external with thunderbolt to VGA adapter. Or clean it up and hope Apple will accept it under the GPU recall.

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    • #3
      Thanks.
      Couldn't get an external screen to show a picture despite it detecting it was plugged in.

      Cleaned up and returning under the recall program.

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