Windows 10: Night light has stopped working after new Windows 10 update ... again

Discus and support Night light has stopped working after new Windows 10 update ... again in Windows 10 Customization to solve the problem; Hi, I previously posted with this issue here:... Discussion in 'Windows 10 Customization' started by PsychoPop, Jan 14, 2020.

  1. PsychoPop Win User

    Night light has stopped working after new Windows 10 update ... again


    Hi, I previously posted with this issue here: https://answers.microsoft.com/en-us/windows/forum/windows_10-other_settings/night-light-has-stopped-working-after-new-windows/c968fc2f-b461-45d9-b4ed-6459288befa3?tm=1568463961832


    It was previously resolved by going back to a previous Windows build. However my system has been nagging me to update again for a while now, so today I did. Lo and behold, Night Light has stopped working again!


    I tried to go and edit the registry as recommended here: https://www.majorgeeks.com/content/page/how_to_fix_windows_10_night_light_not_working_properly.html after backing up the registry of course but I don't have the location "Computer>HKEY_CURRENT_USER>Software>Microsoft>Windows>CurrentVersion>CloudStore>Store>Cache>DefaultAccount" - in CloudStore there are no further directories for me. If anyone can tell me where to find the files this guide recommends be deleted $$windows.data.bluelightreduction.bluelightreductionstate
    $$windows.data.bluelightreduction.settings,
    that would be a great help, as I can't find them have Googled etc.


    I tried a work around by using f.lux to change my screen colour instead, which I used for years before Night Light, however this doesn't work either trying to use the program doesn't change the colour of the screen at all!


    Any advice would be appreciated, many thanks. I can't work on the computer without these filters.

    :)
     
    PsychoPop, Jan 14, 2020
    #1

  2. Night light not working

    Hi,

    Night Light is still listed as a known issue on the update History page.

    Windows 10, version 1903 and Windows Server, version 1903 - Windows Release Information

    Gamma ramps, color profiles, and night light settings do not apply in some cases

    Microsoft has identified some scenarios where gamma ramps, color profiles and night light settings may stop working.

    The only thing you can do is to wait to get this fixed.
     
    Sumit-Windows Insider MVP, Jan 14, 2020
    #2
  3. No Night Light

    Hi allisonb1

    Try these steps

    Option 1. Reset Night Light-related Settings on Windows 10 Fall Creators Update

    If you find the night light in the Action Center or the Settings is greyed out after the Windows 10 Fall Creators Update, you can fix it with the steps below:

    Step 1. Use Windows shortcut keys Win + i to open Settings.

    Step 2. Go to the Privacy menu.

    Step 3. On the left side, choose the Location tab.

    Step 4. Click the Change button under the Location for this device.

    Step 5. Toggle the switch under the Location for this device to ON.

    Step 6. Toggle the switch under the Location service to ON.

    Step 7. Restart the computer.

    Now check the Action Center or the Settings on your Windows 10 Fall Creators Update to see if the night light feature is available.

    Option 2 . Modify Registry to Fix Night Light Not Working on Windows 10 Fall Creators Update

    If the methods above didn't work, you may need to modify the registry to fix the greyed-out night light button or the night light not working issue. Note: Windows Registry is a vital database on Windows OS computer. Any misoperation will cause server system
    problems, such as 100% disk usage issue, blue screen issue, endless reboot, etc. So it's important to backup registry before the changes.

    Now let's kill the night light not working and release the pain:

    Step 1. Use Windows shortcut keys Win + R to launch Run.

    Step 2. Type into regedit.

    Step 3. Hit the Enter key.

    Step 4. Copy and paste the path into the address bar of the Registry Editor: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount

    Step 5. Press the Enter key.

    Step 6. Right-click the key $$windows.data.bluelightreduction.bluelightreductionstate under the DefaultAccount and select the Delete to remove it.

    Step 7. Right-click the key $$windows.data.bluelightreduction.settings and select the Delete.

    Step 8. Restart the computer.

    Then you can go to the Action Center or the Windows Settings. The night light not working issue has been resolved now and the night light button is available.

    Source:

    https://www.tenforums.com/tutorials/73518-turn-...

    https://www.drivethelife.com/windows-10/night-l...
     
    Wilfredo_Soto, Jan 14, 2020
    #3
  4. Eric Ber Win User

    Night light has stopped working after new Windows 10 update ... again

    Night light

    Hi,

    There are several reasons why you are having issues turning on or off the Night Light settings of your Windows 10 PC after the update. To troubleshoot your Night Light settings, we suggest that you apply the steps on this

    thread
    that was provided by SurenderKhokhar on April 15, 2017.

    Let us know if you need further assistance.
     
    Eric Ber, Jan 14, 2020
    #4
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Night light has stopped working after new Windows 10 update ... again

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