How to Troubleshoot Brightness Not Working in Windows 11 PC

When using your computer, you may need to adjust the brightness of your screen to save your eyes, improve your vision, and save energy. If you’re using your computer outdoors or near a window, you should also adjust the brightness to match the brightness of your environment.

In Windows 11, however, you can’t change the brightness because there is no brightness slider in the settings. If you want to adjust the brightness of the screen access to this option is grayed out.

In addition, there are several other situations where Windows 11 brightness does not work. According to users, the brightness option is present, but the brightness control does not work. In addition, Windows 11 brightness sometimes drops all the time.

What causes Windows 11 brightness to not work?

  • Incorrect monitor driver: This usually happens when the monitor driver has been transferred from an older version of Windows.
  • Defective ieframe.dll: This dynamic link library file (ieframe.dll) is responsible for many features not working in Windows 11, including the brightness setting.

How do I fix the fact that brightness does not work in Windows 11?

Updating the graphics driver

  1. Press the Windows + S key combination to display the search menu.
  2. Type Device Manager in the text box at the top and click on the corresponding search result that appears.
  3. Then double-click the Display Adapter item.
  4. Right-click on the video card and select Update Driver from the context menu.
  5. Now select the Automatically search for drivers option from the two options that appear in the Update Drivers window.
  6. Windows will now find the best driver available on your system and install it for your video card.

Updating Windows 11

  1. Press the Windows + I key combination to launch the Settings app.
  2. Then select Windows Update from the list of tabs in the left navigation bar.
  3. Then click Check for updates to check for the latest versions of the operating system.
  4. Click the Download and Install option if you find it.

Reinstalling the monitor driver

  1. Right-click the Startup icon on the taskbar or press Windows + X to display the access menu and select Device Manager from the list of options that appears.
  2. Double-click the Monitors entry to expand and display the devices under it.
  3. Right-click on the monitor and select Uninstall Device from the pop-up menu.
  4. In the confirmation window that appears, click Uninstall again.

Perform a system restore

  1. Press Windows + S to display the search menu.
  2. Type Create Restore Point in the top text box and then click the appropriate search result.
  3. Click the System Restore button.
  4. Then select the Choose another restore point option and click Next.
  5. Select a recovery point from the list and click Next to continue.
  6. Finally, check the details of the restore point and click Finish to start the process.

Frequently Asked Questions

Problems with the brightness control are either related to problematic drivers or to important corrupt or missing DLL files. The ieframe.dll file is mainly responsible for brightness, and you should look for problems with it.

  • Update your graphics driver.
  • Update Windows 11.
  • Reinstall the monitor driver.
  • Perform a system restore.

  1. Press the Windows + S key combination to display the search menu, type Device Manager in the text box at the top, and click on the corresponding search result that appears.
  2. Then double-click the Display Adapter item.
  3. Right-click on the video card and select Update Driver from the context menu.
  4. Now select the Automatically search for drivers option from the two options that appear in the Update Drivers window.
  5. Now Windows finds the best driver available on the system and installs it for the video card.