Screen Flicker (late 2013 15" rMBP)

Discussion in 'MacBook Pro' started by skottichan, Feb 10, 2016.

  1. skottichan macrumors 6502a

    skottichan

    Joined:
    Oct 23, 2007
    Location:
    Columbus, OH
    #1
    So, it's a little over a year since I bought my current MBP.

    Recently, it's developed a quirk where when I have either my Cintiq or another external monitor plugged in, I get these random blocks of quick bursts of static or colors on either the MBP's display or the external (sometimes even on both).

    This happens via the HDMI as well as the DP ports, I'm curious, is this a harmless bug or a sign of something bigger?
     
  2. Samuelsan2001 macrumors 603

    Joined:
    Oct 24, 2013
    #2
    It's your graphics card switching because it will only use the dGPU on the external screen,there seems to be a glitch in El Capitan causing this artefact.
     

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