[Solved] Windows 10 Night Light Won’t Turn Off

If you notice that Night Light won’t turn off, the display driver is usually the one responsible and to fix that, you must update the driver. In addition to that, you could update Windows, edit Windows Registry and so on. Read to the end and learn what must be done to turn off Night Light.

Causes

While Night Light comes in handy at times, it could run into a couple of issues in use as well. In the case that Night Light won’t turn off, it’s strongly recommended that you take the following suspects into account:

  • Display driver
  • Windows 
  • Night Light 

Solutions

Solution 1: Update The Display Driver

Unable to remember the last time you updated the display driver of your computer? Then it’s highly likely that the driver is out-of-date and Night Light won’t turn off is one of the consequences. To regain control over Night Light, you need to update the display driver.

  • Step 1: Go to Search bar, type devmgmt.msc and press Enter to open Device Manager. 
  • Step 2: Expand Display adapters, right-click your graphics card and pick Update driver.
  • Step 3: Hit Search automatically for updated driver software.
  • Step 4: After the update finishes, restart your computer. 
  • Step 5: When the screen comes back on, see how things turn out. 

Note: If you recently updated the driver of your graphic card, it’s possible that the driver update is the cause. In that case, you may want to roll back the driver to a previous version. 

  • Step 1: Go to Search bar, type devmgmt.msc and press Enter to open Device Manager. 
  • Step 2: Expand Display adapters, right-click your graphics card and pick Properties. 
  • Step 3: Go to the Driver tab, hit Roll Back Driver and follow onscreen instructions.
  • Step 4: The moment the process wraps up, restart your computer. 

Solution 2: Update Windows 

For your information, if you neglect updates for Windows, the performance of Windows features would suffer and Night Light is not an exception. To update Windows, you must go through the steps down below:

  • Step 1: Press Windows + I to open Settings, click Update & Security and pick Check for updates.
  • Step 2: If an update is available, allow Windows to download and install it.
  • Step 3: As soon as the update completes, restart your computer.

Solution 3: Edit Registry

If the issue persists regardless of what you do, Night Light itself is at fault and you have no choice but to disable it. Nowadays, you could disable Night Light by editing Windows Registry. 

  • Step 1: Go to Search bar, type Regedit and press Enter to open Registry Editor. As a precaution, you should create a backup of the Registry. Click File, pick Export and save the backup in a secured location.
  • Step 2: Navigate to the directory Computer\HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\CloudStore\Store\DefaultAccount\Cloud
  • Step 3: Find the following folders, right-click each of them and pick Delete:
    • Folder 1: default$windows.data.bluelightreduction.bluelightreductionstate
    • Folder 2: default$windows.data.bluelightreduction.settings
  • Step 4: Restart your computer

Note: If you still need something that eases the strain on your eyes at nighttime, F.lux is for you. F.lux is a program that adjusts the color of your screen according to the time of day. To get F.lux, launch your web browser, visit F.lux official website and download the latest version of the program. Next, run the installer, follow onscreen instructions and F.lux to the fullest. 

FAQs

What does Night light do in Windows?

In Windows 10, Night Light is a feature introduced in the Creators Update. As the name suggests, Night Light is designed to reduce eye strain and help you sleep by filtering out blue light. In case you don’t know, blue light suppresses melatonin which interferes with your natural sleep cycle.

Does Night light consume the battery?

Night light does not consume more energy than daytime use, therefore, it will not shorten the life of your battery.

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