Windows 10: night light greyed out? Stopped working

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  1.    12 Apr 2017 #11

    same problem
    Last edited by evaclub; 19 Apr 2017 at 07:16.
      My ComputerSystem Spec

  2.    21 Apr 2017 #12

    regedit solution

    below solution worked for me. i dont guarantee that it is safe or it will work for anyone else.
    you should know what u r doing

    delete the below keys, i deleted all that folder
    you can right click export just in case you regret it later


    also search using f3 for bluelightreduction and bluelightreductionstate. you may find it in hkey_user, i also deleted those. i had one of each

    now logout then login or just restart ur pc/laptop

      My ComputerSystem Spec

  3. Posts : 1
    Windows 10 Creators Update
       22 Apr 2017 #13

    Cixoos said: View Post
    So I upgraded to creator update and tried the night light function once and it worked. Today it is greyed out and can not be enabled, anyone had this issue?
    Hello, i found solution.
    Just put this content in a '.reg' file. (example: recover.reg)

    Windows Registry Editor Version 5.00

    Save and execute to recover Night Light Default data
      My ComputerSystem Spec

  4.    27 Apr 2017 #14

    I have tried night light and think it still needs work when scrolling it changes to dark and light, very peculiar on the eyes I have it switched off for now anyway.
      My ComputerSystem Spec

  5.    27 Apr 2017 #15

    henrypug said: View Post
    I have tried night light and think it still needs work when scrolling it changes to dark and light, very peculiar on the eyes I have it switched off for now anyway.
    I've not experienced this issue. Seems to work ok for me. It even turns itself off when you start a game.
      My ComputersSystem Spec

  6.    05 May 2017 #16

    I had this problem also, after update/reinstalling my graphic-driver (nVidia) the problem was gone...........
      My ComputerSystem Spec

  7.    06 May 2017 #17

    not sure that I can reinstall my intel (r) HD graphics 5500 as search brings up best driver already installed, I don't want to uninstall it to find I have more problems than if I just leave it, as its something I can do without any way.
      My ComputerSystem Spec

  8.    06 May 2017 #18

    I have a 2-in 1 in which after installing the latest insider night mode was disabled and couldn't change brightness.
    Updating Intel HD drivers didn't help

    I had a unknown device and it was the screen, after installing it via update driver in device manager both issues were fixed
      My ComputerSystem Spec

  9.    12 Jun 2017 #19

    anhbobom0000 said: View Post
    i have restored back to build 14393 :P, maybe i'll wait untill they releases more stable version.
    Yes, it looks like MS are now recommeding not installing it until they push it to you:
    Don't install our buggy Windows 10 Creators Update, begs Microsoft • The Register

    I had the same problem. Fixed by removing the driver in device manager and restarting. Mind you, I've had to do it three times over in the last week!
      My ComputerSystem Spec

  10. Posts : 6
    Windows 10 Home 64-bit
       31 Jul 2017 #20

    Reinstalled manufacturer's driver after Windows replaced it. Reinstallation was successful, but the button is still greyed out.
      My ComputerSystem Spec

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