Screen goes black for a second when copying files

Discussion in 'Mac Pro' started by compute, May 20, 2015.

  1. compute macrumors regular

    Jun 11, 2013
    Hi everyone,

    today something strange happened and i was wondering if someone knows what the reason could be.

    I'm working on a nmp 6 core and when i draged some files to another folder, right on the sound you hear when the file drops in the folder the screen went completely black for a small second and then came back. It only happened once.

    Does this sound like some kind of software issue that happened or is this a sign of some hardware is running fine and its actually the first time i ever had this.

    should i be worried?:eek:
  2. andy89, May 21, 2015
    Last edited: May 21, 2015

    andy89 macrumors 6502

    May 22, 2005
    Folkestone, England
    My Thunderbolt display used to go black for no reason and come back shortly after - seemingly for no reason. Turning off "Automatically adjust brightness" in System Preferences fixed it.

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