Fix Windows 11 Night Light Grayed Out [100% Working]

Written By Farhan Max

Are you a night shift working guy or working from home at night? Then you most probably work by dimming the room lights and turning on the Night Light on your PC. Night Light helps you to cause less eye strain and ensure constant eye comfort.

But what if the Night Light option becomes grayed out or disabled?


You won’t be able to keep up your eyes for a long time because blue light will hit harder on the eyes at night.

Though the blue light helps to release melatonin, and this hormone will make it harder to fall asleep, the Night Light’s orange color vibe helps to sleep faster after you turn off the PC.

In case your PC’s Night Light option gets disabled, this article might come in handy to resolve this issue. Let’s go!

Why Night Light Got Disabled?

The Night Light option in your Windows PC might get disabled for a bug in the OS. Updating the Windows or display driver could cause this Night Light feature to be disabled. The users facing this problem on their PCs have recently updated their Windows. So, it might be be the only reason.

It is an excellent feature from Microsoft, which was first introduced in Windows 10. People use blue light filters on their phones, and this feature is known by many names in mobile devices, such as reading mode, eye comfort, vision comfort, etc.

When you turn on this feature, you will see a slightly orange sort of color glow across the display. You will see the display color become softer and warmer. If you have to keep looking at the displays for a long time, this mode is for you.

This mode will keep your eyes strain-free. For people who have to work for a long time on the PC, this feature saves them from eye issues, headaches, and sleeplessness. Blue light is uncomfortable for the eyes, and you should not stare at the displays for a long time without turning on the blue light filter.

But it will be a matter of headache when you are used to this feature, and somehow this mode gets disabled. As I said, bugs in the Windows updates can cause this issue. So, this needs to be fixed, and I have found the exact ways to solve this.

Follow our guide to Fix Win+Shift+S Not Working on Windows 11/10.

3 Ways to Fix Windows 11 Night Light Option Grayed Out/Disabled

Solving or fixing this grayed-out or disabled feature is not a big deal. Just following some steps, you can fix it too. Moreover, I have implemented all those steps in the most straightforward pattern to make it more understandable to you.

The fixes I have highlighted in this article are applicable for both Windows 10 and 11. So, if you have this issue in Windows 10, you can apply these fixes too.

So, without further ado, let’s jump into the fixes.

Here are the methods to fix Windows 10/11 Night Light option grayed out:

1. Delete Blue Light Reduction from Registry Editor

Deleting the blue light reduction from the registry editor will surely fix this issue. Deleting the entries from the registry is the first thing you should do when you have this problem with your Windows PC.

The process is quite simple — just go to the Windows registry editor settings and delete two entries. Let’s dive into the steps.

Here are the steps to delta blue light reduction from Windows Registry Editor: 

  • Click on the Search icon and search Run. Open it.
  • Type Regedit and hit Enter key.regedit-from-run
  • Navigate to Computer\HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Cloud
  • Delete these two entries names as




  • Close all the paths.
  • Restart your PC.

After the restart, go to the Night Light option, and you will find them fixed. Now, all the options will be enabled, and you can turn on this eye-saving feature again.

Also, check out our separate post on how to fix the Start button not working on Windows 11.

2. Create and Run Night Light Fix Script

You can also use this method if facing difficulty navigating the registry editor. Just copy all the lines enlisted below and make a .reg file.

Here are the steps to create and run the Night Light fix script:

  • Go to Desktop and create a new text file.
  • Open the file. Next, Copy and paste all the below lines into it. creating-night-light-reg-fix

Windows Registry Editor Version 5.00








  • Save the file as reg in this name.
  • Double click on the NightLightFix.reg and run the script. night-light-fix-launch
  • Check whether Night Light options are enabled or not.

Note: Windows Registry Editor won’t recognize the file Without the .reg extension.

I hope your problem is solved by now, and you can turn on Night Light again on your Windows 11 PC.

Here’s a complete guide on how to restore files from File History on Windows 11.

3. Update Display Driver

The display drivers control the Night Light feature, and a faulty driver can disable this. So, you can fix this when a corrupted display drive causes this issue simply by updating the driver.

Here are the steps to update the display driver:

  • Open Run by pressing Windows key + R.
  • Type devmgmt.msc and hit Enter. device-management-by-run
  • Click on the Display adapters expand button.
  • Right-click on the display driver and choose Update driver. update-display-driver
  • Restart your computer after updating the driver.
  • Check if you can turn on the Night Light feature or not.

So, that’s it. Updating the display driver will solve this problem of disabled Night Light options. I hope you have fixed the issue by applying the above methods.

You may also like to read: 13 Best Windows 11 Settings You Should Change Right Away.


Does Night Light save laptops battery?

Turning ON Night Light will save the laptop’s battery. This feature lowers the screen brightness and adjusts the display settings according to the environment. That’s why laptops consume less battery.

Is Night Light great for the eyes?

Night Light is good for the eyes. It reduces the blue level and turns the display on a yellowish tone overall. That’s why the color on display looks soft and warm, which is suitable for your eyes.

Why Night Light gets disabled?

The Night Light function is disabled or grayed out due to a bug in the Windows update. Other reasons like faulty or corrupted display drivers can trigger this issue also.

Final Words

The Night Light is an excellent feature from Microsoft. Users who mainly work on their PC most of the time benefit greatly from this feature. Turning this mode ON will reduce your eye strain and headaches.

Due to bugs in the update can disable this great feature. In case you are a victim of this, I hope you have already fixed it by applying all the methods I have enlisted in this article.

Problems are meant to be solved. Don’t rush, and always look deep inside the issues. You will get the solutions. See you at the next one.

Peace out!

About The Author
Farhan Max is a tech geek with a particular interest in computer hardware. He's been fascinated by gaming since childhood and is now completing his undergraduate studies while researching and testing the latest tech innovations. Alongside his love for all things geeky, Farhan is also a skilled photographer.

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