In a world dominated by screens, eye strain and disrupted sleep patterns have become all too common. Windows 10 Night Light, also known as the “Blue Light Filter,” steps in as a solution. This feature transforms your display, replacing harsh blue light with soothing, warmer hues. The result? Reduced eye strain, enhanced sleep quality, and a more comfortable viewing experience. Its work is similar to Night Shift on Apple devices and Night Mode on Android, it’s a game-changer.
Microsoft explains this feature
The Night Light feature on Windows 10 is a specialized display mode that shifts the screen’s colors towards warmer tones. In essence, it serves to partially diminish the presence of blue light, effectively alleviating eyestrain for a more comfortable viewing experience.
Windows 10 Night Light feature
In this post, we’ve delved into the Night Light feature on Windows 10, providing a complete guide on how to enable and customize it. Additionally, we address common issues users face, including scenarios where Night Light may not work, or options appear greyed out.
Enable Windows 10 Night light
- Press Windows + I to open settings.
- Click on System, then Display.
- Here under color & brightness toggle on Night Light Switch.
Configure ‘Night light’ on Windows 10
Now Click on Night light settings to configure light according to your requirement.
You can use the slider to change/adjust the color temperature you want to see at night on your screen.
There is an option Schedule night light toggle on the switch that will allow you to manually configure when this mode should turn on.
- Such as select Sunset to Sunrise, Windows 10 will automatically detect your location and configure Night Light automatically.
- Or you can choose the Set Hours option to schedule when Windows 10 should turn on and off Night Light.
That’s all, Now Windows 10 will automatically change the color temperature of your screen at the configured schedule to reduce eye strain and improve sleep quality at night.
Cannot enable night light (greyed out)
If you found a situation, Night Light settings is greyed out and you can’t disable or enable it? Here is a quick workaround to resolve this issue.
- Press Windows + R, type regedit, and ok to open the Windows registry editor.
- Here first backup Registry Database and navigate to the following key:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount - Expand the DefaultAccount key, then right-click and delete the following two subkeys:
$$windows.data.bluelightreduction.bluelightreductionstate
$$windows.data.bluelightreduction.settings
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.