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  • Black MacBook. Broken Screen. Pressing Power gives a bright unintelligible display.
  • Pressing the power and than quickly closing the monitor while an external monitor is connected causes the bootmanager to switch to the external display
  • After some time the external display shows a folder with a question mark, flashing.
    • No bootable disk is diagnosed
  • After power immediately press option - then a mouse cursor is shown. But nothing is displayed otherwise.