How To Fix Windows 10 Brightness Not Working?

Windows 10 from Microsoft is one of the finest operating systems ever developed. There are features that can exceed our expectations. But there are also some minor problems that come along with it. One such issue you are going to read about is “Windows 10 brightness not working.”

Most of us adjust and control the brightness on our Windows 10 computer or laptop based on the visibility of the content. The main goal of the brightness setting in Windows 10 is to make content more readable and comfortable.

However, some users are facing issues related to Windows 10’s brightness. Sometimes, the brightness of your computer may change automatically or don’t work at all. When you are unable to change the brightness on your Windows 10 laptop or computer, the issue might be with the hardware and software errors. We are happy we found you, here we have some of the best troubleshooting methods that can easily fix the Windows 10 brightness problem.

Windows 10 Brightness Not Working


  • Problem with display
  • Keyboard issues
  • Outdated software


  • The brightness option is grayed out
  • The brightness slider is missing

Here are the simple troubleshooting methods to resolve the “Windows 10 brightness not working” issue.


The brightness issue is obviously monitor-related, so the best fix is to uninstall the driver and install the default one. Here are the steps to do so.

  • Do a right-click on Windows and select Device Manager.
  • Scroll down the Device Manager window and select the Monitors section.
  • Do a right-click and click the Uninstall device button.
  • The monitor driver will be uninstalled.
  • Click the Scan for hardware changes icon from the list of icons present on the screen.
  • Doing so, Windows 10 will install the default monitor driver.
  • Restart your Windows 10 computer.

You will see the brightness option working without an issue.


  • Open the Run command on your Windows 10 computer (Windows + R).
  • In the Run command field, type devmgmt.msc
  • Press the Enter button.
  • The Device Manager window will open.
  • Scroll down and expand the Display adapter section.
  • Perform a right-click and select Update Driver.

Restart your computer and you will be resolved from the Windows 10 brightness not working issue.


  • Open the Power Settings on your Windows 10 computer (Windows + S).
  • Select Power & sleep settings.
  • Scroll down to the Related settings section and click Additional power settings.
  • Under Preferred plans, click the radio button for the High Performance option.
  • Click the Change plan settings option located right next to High Performance.
  • Click Change advanced power settings.
  • Expand Display and Enable adaptive brightness.
  • Set the Setting to On.
  • Click the Apply button.
  • Click OK.

Follow the three fixes to resolve the Windows 10 brightness not working problem. Click the CALL button on this page for more windows related issues.