Windows 10 1903 (may update) Breaks Night Light (built in night light


  1. Posts : 3
    windows 10 1903
       #1

    Windows 10 1903 (may update) Breaks Night Light (built in night light


    Hi there,

    I have 2 machines (1 was an upgrade install to 1903 the other was a clean install). Both nvidia cards, 1080ti and a 2080 in the other (1 has the latest nvidia drivers the other has the very last version prior to the latest). Both intel 8700k processors.

    what is happening: i keep the night light mode always on, and prior to 1903 (when i was using 1809), when i play a game (full screen) the nightlight mode would turn off in game. when i alt tab to windows, night light was enabled. when i jumped back into a game, it was disabled. no issues.

    when i upgraded to 1903 (both the clean install machine and the upgrade), when i have night light on, and go in game and alt tab, the night light remains off in windows, this never happened in 1809.

    not limited to games, but in both machines using 1903, sometimes when i start the computer, the night light mode is disabled. trying to turn it on does nothing, and rebooting fixes it. but if happens enough now where i suspect this is not a one off, and the fact it happens on both my computers, and when i go back to 1809 there are no issues.

    i also tried flux, but it did the same thing where it would sometimes when you turn on the computer be off, and no way to enable it without rebooting.

    lastly, i noticed when the display goes to sleep (the monitor, not the computer), night light is disabled. You can turn it back on, but the monitor being put to sleep effectlivley disabled night light mode from running on 1903, but not on 1809.

    somehow i think this is all connected, something in 1903 with night light mode is not working properly like it did in 1809.

    computer stats:

    Machine 1 (upgrade to 1903):

    8700k
    32gb ram
    970 evo 1tb
    nvidia 2080 FE
    nivida driver 425.31
    monitor asus 32inch running at 75hz (non-gsync)
    Machine 2 (clean install to 1903):

    8700k
    32gb ram
    970 pro 512gb
    evga 1080ti hybrid FTW3
    nivida driver 430.39
    monitor lg 31.5inch 144hz g-sync
      My Computer


  2. Posts : 1,871
    W10 pro x64 20H2 Build 19042.610
       #2
      My Computer


  3. Posts : 3
    windows 10 1903
    Thread Starter
       #3

    thank you for the reply, that does seem similar to my issue. my main issue though is gaming and alt-tabbing back and when the monitor goes to sleep, and also i am using the RTM version of 1903, not the fast ring or am even in the insider build program. ill post over in that thread as im sure its all connected.
      My Computer


  4. Posts : 1,871
    W10 pro x64 20H2 Build 19042.610
       #4

    OK, and good luck.

    Hopefully this will get fixed sooner rather than later by MS.
      My Computer


 

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