If you spend most of your time at a computer or laptop for work, especially at night, you will likely experience eye strain and fatigue. So, the Windows Night Light feature can protect your eyes because it reduces the amount of blue light from the display.

Blue light from computer screens can harm your eyes and disrupt your sleeping pattern. As most of you know, exposure to blue light emitted from screens can disrupt the production of the sleep hormone melatonin, leading to various health problems.

If your Windows night light feature is not working, you must read this article. We have researched this topic and made an effective list of methods that are 100% working and will solve your problem.

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Best Ways to Fix Night Lights Not Working in Windows

Here, we have provided the best methods to fix the Night Light feature not working in Windows 10 and Windows 11. To get rid of this problem, make sure you read the entire article thoroughly.

1. Check Night Light Strength 

If you’ve set a time for the Night Light and it’s still not working, check its capability. Sometimes, the Night Light’s strength is not set to an appropriate level, which can cause this issue.

  1. Right-Click on the Desktop and Select Display Settings.
    Select Display Settings
  2. Click on the Night Light option.
    click on Night Light
  3. Now adjust the Strength of the night light as per your need and if you want the night light now then click on the Turn on Now button.adjust the Strength of the night light

2. Check Night Light Schedule

If the Night Light feature isn’t working even though it’s on, it could be because of a previously set schedule. Let’s suppose you have already set the schedule for Night Light from 10 pm to 5 am, and you are trying to turn it on at 9 pm. Then, it will not work. To fix this issue, follow the steps below.

  1. Press the Windows button on the keyboard and click on the Settings option. You can also press Windows+I to open the Display Settings directly.
    Press windows icon and Click on Settings app
  2. Click on System > Display.Click on system option then select display
  3. Now, Select the Night Light option.
  4. Turn on the scheduled Night Light toggle button and set the hours according to your preference.Turn on the scheduled Night Light toggle button

You can also choose the Sunset to Sunrise option, which will automatically turn on Night Light mode at 6:35 and turn it off at 5:29. If it is grayed out like in the above screenshot then follow the methods given below.

3. Check Your PC’s Time Settings

If you have set Night Light to turn on and off automatically, the wrong timing could be causing this problem. If the time on your PC is incorrect, follow these steps:

  1. Go to the Taskbar and Right-click on the Time and Date option. Then, select Adjust date and time.select Adjust date and time
  2. Click on the Toggle button to turn on the Set time automatically option.Click on the Toggle button to turn on the Set time automatically option
  3. If you want to set the date and time manually, click on the Change button next to Set the date and time manually. Make sure you have turned off the Set date and time automatically option to set it manually.
    click on the Change button next to Set the date and time manually
  4. Now set your preferred time and click on the Change button.Now set your preferred time and click on the Change button

4. Enable Location Service

The location should be enabled for those who have set the Night Light feature to the Sunset to Sunrise option. When your location is disabled, the Sunset to Sunrise option is grayed out.

If you are manually enabling the Night Light option, you can skip this method, as you won’t need to enable the Location option in this case.

  1. Press Windows + I to settings and click Privacy & Security.
    click on Privacy Security
  2. Scroll down and click on Location.
    Click on Location
  3. Now, click on the Location Services toggle button to turn it on.
    click on the Location services toggle button to turn it on

After turning it on, you will see that the sunset to sunrise option is no longer grayed out.

5. Update Your Graphics Drivers

Corrupted and outdated graphics drivers can cause this problem. So make sure you have the latest version of your graphics drivers. If you don’t know how to update your graphic drivers, follow the steps below.

  1. Press the Windows button and search Device Manager then click on it.
    Click on Device manager
  2. Now, click the arrow next to Display Adapters to expand the category, right-click on Graphics Driver and, click on the Update Driver option.
    click on the Update Driver option
  3. Select Search automatically for the driver. If the driver is outdated, Windows will automatically download and install it on your computer.
    Select Search automatically for the driver

6. Reinstall The Graphics Drivers

If updating the driver doesn’t solve the problem, you can try reinstalling the graphics driver, which may solve the problem. To do follow the steps.

  1. Go to Device Manager and expand the Display Adaptor category.
  2. Right-click on Graphic driver and select the uninstall driver option.
    select uninstall driver option
  3. Select Attempt to remove the driver for the device option and click on Uninstall button.
    Select Attempt to remove the driver for the device option

After uninstalling the driver, restart your computer. Windows will automatically install the missing graphics driver upon restart, or you can download it from the Internet. Here are some brand links for downloading drivers online: Intel drivers, Nvidia drivers, and AMD drivers.

7. Reset Night Light Settings

If none of the methods work or the Night Light feature is completely grayed out, you can reset the Night Light settings from the Registry Editor.

Note: Making changes to Registry Editor can corrupt your Windows system, so it is important to back up the registry before resetting Night Light settings.

  1. Press Windows+R to launch Run and type Regedit and click on the OK button.
    type Regedit on run
  2. Copy the below link and paste it into the registry address bar and hit enter.

    HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Cloud.Copy the below link and paste it into the registry address bar

  3. Locate two folders named:

    default$windows.data.bluelightreduction.bluelightreductionstate
    default$windows.data.bluelightreduction.settings.

  4. Right-click on these folders one by one and click on the Delete button.
    Right Click on the folder and click on delete button

Now, restart your computer and try the Night Light feature again.

8. Check for Windows updates

Lastly, if you are still facing this problem and none of the methods are working, then updating Windows is your last option. If you are using an older version of Windows, update it because Windows Updates can fix bugs and also resolve issues with the Night Light feature.

  1. Go to Windows Settings and click on Windows Update.
    Click on Windows Update
  2. Select the Check for Updates option. It will begin downloading the latest version of Windows, if available.
    Click on the Check for updates button
  3. After successfully downloading, click on the Restart button to start installing the update.
    Click on restart button to update the windows

Conclusion

All these methods are working and useful to fix Night Lights Not Working in Windows. I hope you found this article helpful and your night light problem got resolved. You can use these methods very easily on Windows 10 and Windows 11.

Please don’t hesitate to let us know in the comment section if you have successfully resolved your issue or have any questions about this guide.

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