Host machine flickers

Forum / NoMachine for Mac / Host machine flickers

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  • #14562

    When we remote onto an OSX iMac with Lock screen enabled, Instead of turning black, the host screen flickers constantly for OSX machines on Sierra.

    This happens on our users with iMac 27 inch retina screens. We can see their desktop flickering when we remote onto it.

    I dont have this issue, but I have a Mac Mini, with a 1080P monitor. So I see the BLACK *(lock)* screen which is what we would expect when i remote onto it from my MacBook PRO or Windows 10.



    The problem you describe is likely to be a known issue involving the screen brightness setting. Could you check if the ‘Automatically adjust brightness’ option is enabled? If yes, please disable it and try to lock the screen again.

    All know issues regarding screen blanking can be found here:

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