9 Fixes for Night Light Not Working on Windows
The Night Light feature in Windows 10 and 11 adjusts the display to show warm colors, especially blocking the harmful blue light. But for many users, Night Light is not working on their PC. The main reasons for the Night Light issue include the inactive location feature, misconfigured Night Light schedule and settings, and corrupt GPU drivers. Try out these methods to fix the Night Light not working error on Windows 10/11.
Table of Contents
1. Preliminary Fixes
Before moving on to advanced fixes, restart your PC and check if the Night Light works now. If you use a docking station to connect to an external monitor, remove it and connect your monitor directly. Microsoftmentionsthat Night Light is also unavailable if you use your system’s DisplayLink or Basic Display drivers.
Some specific series of monitors from Samsung like the Samsung M7 and other brands can have their implementation of Night Light inbuilt. So, Windows Night Light won’t be effective if the sameblue-light controleye-saver feature is already active in monitor settings.
2. Check Whether Night Light Is Enabled or Not
Firstly, check whether the Night Light feature is active on your computer on not. Here’s how:
1.Press theWindowskey, typeNight Light, and pressEnter.
2.Check theShow warmer colors on your display to help you sleepoption. If the feature is disabled, click on theTurn on nowbutton.
3. Enable Location on Your PC
If you have turned off location settings, Night Light can face difficulty in turning on automatically for your region. Here’s how to enable it:
1.Press theWindowskey, typeLocation, and pressEnter.
2.Go to theLocation servicesoption. Click on thetogglenext to it to enable the location services.
3.Move to theLet apps access your locationoption and enable thetogglenext to it. Make sure that theSettingsapp is configured to access the device location in the list.
4. Update Date and Time
Incorrect date and time will make Night Light not work as expected, especially if it is set to automatic. So, you must update the system’s date and time:
1.Press theWindowskey, typedate and time, and pressEnter.
2.Scroll down to theAdditional settingssection. Click on theSync nowbutton. It will fetch the updated date and time for your region from Windows’s server.
5. Tweak Night Light Schedule
If Night Light doesn’t work after updating both date and time and location services, you’re able to opt for a manual schedule instead. It will ensure that the features automatically switch the display to warm colors when you need it. Repeat the following steps:
2.Scroll down to theSchedule night lightoption. Click on thetogglenext to it to enable the schedule.
3.By default,Sunset to sunriseoption is selected. If you prefer a custom time, click on theSet hoursoption. Set theStartandStoptime of your preference.
4. Closethe Settings app.
6. Use the Correct Night Light Intensity
If the Night Light intensity is too low on your Windows PC, the display colors won’t feel warm at all. So, you won’t feel the effect even if it is active. Here’s how to do it:
2.Go to theStrengthoption. Click and drag thesliderto the light to adjust the Night Light intensity. Move it to30 percentor more. The screen colors will change while you adjust the slider so you can set the appropriate intensity as per your use case.
7. Wipe Existing Night Light Settings Using Registry Editor
If none of the above tweaks to the Night Light feature doesn’t change, you can reset the Night Light feature using the Registry Editor. Follow the below-mentioned steps:
1.Press theWindowskey, typeRegedit, and pressEnter.
2.Go to the address bar,pastethe following path, and pressEnter:
3.Now, you need todeletethe two following subkeys:
- Right-clickon the subkey and click on theDeleteoption.
5.Click on theYesbutton.
6.Close the Registry Editor andrestartthe PC.
8. Fix Issues With Your Display Driver
Outdated GPU drivers can also create a problem with Night Light on Windows. Firstly you shouldupdate the GPU driversto the latest version. If that doesn’t have any effect, you must reinstall the GPU drivers. Here’s how:
1.Press theWindowskey, typeDevice Manager, and pressEnter.
2.Scroll down to theDisplay adapterssection and expand it. Right-click on the GPU driver and select theUninstall deviceoption.
3.Now, click on theUninstallbutton.
4.Close the Device Manager andrestartyour PC.
Downloadthe latest GPU drivers from the manufacturer’s website (NVIDIA,AMD, orIntel).
Installthe driver and check if Night Light works properly on your PC.
9. Update Windows
An outdated version of Windows can contain bugs. If you ignore Windows updates for long, you will be stuck with these bugs which can interfere with system features and other apps. So, you must check and download the latest available update for your Windows PC. Here’s how:
1.Press theWindowskey, typeUpdate, and pressEnter.
2.Windows will automatically search for the latest update. Click on theDownload and installbutton.
3.Click on theRestartbutton to apply the latest update on your PC.
Get Night Light Working Again
These were the nine methods you can try when Night Light isn’t working on your Windows PC. Enable the location and tweak the Night Light schedule and intensity. Also, check if you have already enabled any blue light reduction filter in monitor settings. Lastly, reset the Night Light settings and update Windows and the GPU drivers.
You can also tryF.luxwhich is an excellent free alternative to Windows’ Night Light feature and even works on older OS versions like 7 and 8.
Abhishek Mishra
Abhishek likes to tinker with operating systems and is always hunting for apps that can improve his Windows and Android experience. He devotes his spare time to keeping track of the latest developments in anime and cinema. But he occasionally goes for short rides if the weather is forgiving enough.
