How to Fix ‘Night Light’ Grayed Out/Disabled Issue on Windows 10

Night Light feature on Windows 10 is a really useful feature but some users are reporting that they are unable to activate Windows 10 Night Light because the feature is disabled or grayed out by default in the Settings app. For all those, we are going to present a simple solution to reset Night Light to fix grayed out issue on Windows 10 in this guide.

Some Windows 10 users can’t access and configure the new Night Light feature because the feature itself appears to be either grayed out in the Settings app or it’s not there at all. However, you can try a quick solution mentioned below to fix this problem.

Microsoft introduced new Night Light feature in the latest Windows 10 Creators Update whose main purpose is to reduce eye strain when working in low light conditions or when you want to relax your eyes after spending hours in front of PC screen. Windows Night Light works like Apple’s Night Shift on Mac OS and Android’s Night Mode. When Night Light mode is enabled, it tones down the blue light emission by the display in order to lessen the strain on your eyes when working long hours in low light environment and improves sleep quality.

In this guide, we are going to show you how to access/enable Night Light on Windows 10 Creators Update or later devices when the feature isn’t showing in the Settings app.

How to Fix Night Light on Windows 10 Creators Update or Later

Note: Please know that the process below involves tinkering with the system registries that can go horribly wrong in case of mistakes. So follow through only if you know what you are doing, and not before creating a full system backup of Windows 10.

Now follow the steps below:

Step 1 – Press the Windows Key + R on keyboard to open the Run command box.

Step 2 – Type regedit and hit OK button to open Registry window.

Step 3 – Go to the following path in the Registry window:

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\Cache\DefaultAccount

Step 4 – Now inside the DefaultAccount folder key, right-click and delete the following two key folders.

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

fix night light settings on windows 10

Step 5 – Once complete, restart your computer.

All done. After restart you should be able to access and configure the Night Light feature from the Settings app on Windows 10. Most issues with the Night Light are related to the video card drivers more often than not, if the above solution doesn’t work then follow this guide on how to manage drivers on Windows 10. For further assistance, send your queries in the comments section below.

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