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Windows 10 Night Light Not Working after Update? Here how to fix it

unable to turn on the Light Night feature as it is grayed out in the display settings, Here the solutions quickly Fix Night Light Options are Grayed Out in Windows 10

Similar to the Nightshift on iPhone and Night mode on Android, Microsoft has introduced Blue Light Filter aka Night light feature in windows 10. Enable Night light feature filter out the harmful blue light from the display and replace it with warmer colors which reduce eye strain. But It’s an optional feature and you need to manually enable the same from Windows 10 settings display section.

This is the welcome addition for the users who struggle with the massive amounts of blue light leaking from displays. Well, a few numbers of user report Night Light is not working, won’t turn on or Night light toggle is grayed out didn’t allow turn on the feature. Some other users report After the recent Windows 10 1909 update Found ‘night light’ is disabled in both action center and settings.

Night Light Options Grayed Out Windows 10

If you are also struggling from similar problem, “Night light feature appears grayed out in the Settings app making it impossible to enable and configure” then here is how you can fix this problem.

If you first time noticed this problem, then there are chances due to temporary glitch  Night Light mode is stuck in either On or Off state, a simple restart can fix the problem.

Also its recommended Go to Start -> Settings -> Update & security, then Check for updates and install any available updates.

Tweak Windows registry entry

Here the quick solution worked for me and that’s why i am listed this a first recommend solution to fix if night light settings greyed out.

  • Press Windows + R, type regedit and click ok
  • This will open Windows registry editor,
  • First backup registry database then On left-hand side navigate the following key,

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount

Expand the DefaultAccount registry folder, and then delete the sub-folder labeled

  • $$windows.data.bluelightreduction.bluelightreductionstate
  • $$windows.data.bluelightreduction.settings

fix windows 10 night light greyed out

  • That’s all, close Registry Editor and reboot your computer.
  • Now Open the Settings app -> system -> Display and you should then be able to turn Night Light on or off. Also, you can quickly enable the same from the action center as well.

Turn on night light

Update Display driver

Since its a graphics dependent feature check and make sure the display (Graphics card ) driver installed on your PC is updated the latest version of the graphics driver installed on your PC.

The best way we recommend is to visit the NVIDIA, AMD, or Intel download portals, then specify your graphics chipset to download the latest drivers.

  • Now right click on start menu select device manager,
  • This will display all installed device drivers list,
  • Expend display adapters, Right click on current display driver select “uninstall device”
  • Click yes when ask for confirmation then restart your PC to completely remove the driver from your PC,
  • Now install the graphics driver that previously you have downloaded from the manufacturer’s website.
  • Again restart the Windows, Now click on the action center and enable night light.

Pro Tip: If you don’t know the exact make and model of your chipset, you can use utilities such as NVIDIA Smart ScanAMD Driver Autodetect, or Intel Driver Update Utility to help you out in that regard.

Update clock settings and Location

Well if you have scheduled night light to turn on night time only but Night Light keeps on staying enabled even outside the time that its scheduled to actually run in such cause you need to check your time zone or update clock settings and enable Location as well.

  • Open settings then click Time & Language,
  • On left hand side click Date & Time then make sure set time and set time zone automatically toggle is turn on.
  • Also scroll down and check the correct time zone is selected

Manual Date & Time Sync

  • Now move back to settings home screen,
  • Click Privacy then Location
  • Here make sure Location for this device is Turn on

In cause, if the problem not solved its best to switch to Night light alternatives like F.LUX or Sunset Screen.

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