System Turn On or Off Night Light in Windows 11

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Night_light_banner.png

Your display emits blue light—the kind of light you see during the day—which can keep you up at night. To help you get to sleep, turn on the night light and your display will show warmer colors at night that are easier on your eyes.

The night light strength level is for the color temperature in Kelvin. You can set a strength level between 0 (6500K) to 100 (1200K) for whatever is comfortable to your eyes.

You can turn on Schedule night light. Then, either select Sunset to sunrise, or select Set hours and enter custom times for the night light to automatically turn on and off.

This tutorial will show you how to turn on or off night light for your account in Windows 11.


Night light isn't available if your device uses certain drivers (DisplayLink or Basic Display).

Night Light settings are stored in the registry keys below for the current user.

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Current\default$windows.data.bluelightreduction.bluelightreductionstate

HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Current\default$windows.data.bluelightreduction.settings



Contents






OPTION ONE

Turn On or Off Night Light in Quick Settings


1 Open Quick Settings (Win+A).

2 Click/tap on the Night light quick setting button to toggle on or off (default) for what you want. (see screenshots below)

Night_light_Quick_Settings-2.png
Night_light_Quick_Settings-1.png






OPTION TWO

Turn On or Off Night Light in Settings


1 Open Settings (Win+I).

2 Click/tap on System on the left side, and click/tap on Display on the right side. (see screenshot below)

Night_light_Settings-1.png

3 Turn On or Off (default) Night light for what you want. (see screenshot below)

Night_light_Settings-2.png

4 You can now close Settings if you like.


That's it,
Shawn Brink


 

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