Windows Night Light is a great feature that helps consumers to use their computers for a longer duration. It makes the screen color warmer, which is especially helpful when you work in the dark or at night. That said, if for some reason you see Night Light is not working, won’t turn on/off, or is grayed out, then here is how you can fix this problem.
Night Light not working in Windows 11/10
If your Windows 11/10 night light is stuck on On/Off, or not turning On or if it won’t turn Off, then try our following suggestions. Something is sure to help you:
- Turn off and then turn on Night Light
- Update Graphics driver as explained below
- Check Location and Clock Settings
- Restart PC and see
- Reset Night Light via Registry as explained below if the setting is grayed out.
1] Turn off and then turn on Night Light
First, you should Turn off and then turn on Night Light via Settings and see if that helps.
2] Update Graphics driver
Since this is a graphics-dependent feature, it’s is best to install the latest version of the graphics card you have on your computer. You can either download the latest driver from the OEM website or use the graphics utilities of the OEM to update your graphics driver.
3] Night Light not turning on at the scheduled time? Check Location and Clock Settings
Automatic Light Settings depend on two things – Location and Clock Settings. This usually happens when you stay in one region while you work for another region.
Change Time Settings:
- Go to Settings > Time & Language > Date & Time
- Toggle to automatic for both date and time. In case its already turned on, turn it off and set it to your time zone.
Set Location:
- Go to Settings > Privacy Settings > Turn on Location
- Restart your computer.
This will make sure Night Light turns on / off at its scheduled time.
4] Night Light Mode doesn’t change? Restart PC and see
This is rare, but in case the Night Light mode is stuck in either On or Off state, here is what you can do.
- Press the Windows key to launch the Start Menu.
- Click on your profile picture and select Sign-out.
- Restart and sign-in again.
This will fix any setting which gets stuck with your account.
5] Night Light Toggle Grayed out? Reset Night Light via Registry
Open Registry Editor by typing “regedit” in the Run prompt and navigate to the following key:
Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount
Expand the DefaultAccount registry folder, and then delete the two sub-folders:
$$windows.data.bluelightreduction.bluelightreductionstate
$$windows.data.bluelightreduction.settings
Close Regedit, and exit. Restart your computer.
In case, nothing works for you; it is best to switch to alternatives like F.LUX. It is also available as Windows App which you can download from the Store. Since it doesn’t depend on any of the Windows Settings, it should work just fine for you.
