Screen Flicker / Tearing after beta update

Discussion in 'macOS Sierra (10.12)' started by mgworek, Feb 3, 2017.

  1. mgworek macrumors member

    Feb 21, 2006
    Anyone else having display problems after latest beta update?

    Rebooted 3 times, it only happens on the iMac display. My external display is fine.

    Video attached.


    Attached Files:

  2. sixkiller macrumors member


    Aug 9, 2014
    New York
    I've been having the same problem for a while now, it happens intermittently. I was on sierra, but downgraded to el capitan again, but the problem is still there. I thought it was my monitor as I bought it at the same time the problems happened. Good to know that it might just be a software problem. I have win10 on a bootcamp partition, and i haven't seen any flicker there.

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