When the brightness slider is either missing, though that’s rarely the case, unresponsive, or not working, you would be unable to change the brightness level on your computer. In the following guide, we will discuss the various issues that prevent you from changing the brightness and the most effective fixes for Windows 11.

Why is the brightness slider not working in Windows 11?

Issues with the brightness slider arise due to problematic drivers or corrupt or missing critical DLL files. The ieframe.dll file is primarily responsible for the brightness, and you should look for problems with it. Also, misconfigured settings, or issues with the current Windows 11, could likely cause problems while adjusting the brightness. Identifying the problem, in this case, can be tricky, and we recommend executing the fixes below in the same sequence as they are listed for quick and effective troubleshooting.

How can I fix the brightness slider if it’s not working in Windows 11?

1. Reinstall the monitor driver

2. Update the graphics driver

If you have an outdated graphics driver installed, the possibility of the brightness slider not working in Windows 11 is high. Therefore you should update the driver. In case Windows cannot find an update using the Device Manager method, you can check for the latest driver version in Windows Updates or manually download the setup from the official manufacturer’s website and install it.

3. Perform SFC and CheckDisk scan

The above scans will identify problems with the ieframe.dll file and the other corrupt system files and replace them with their cached copy. After running the scans, check if the brightness slider is now working in Windows 11. Disclaimer: this program needs to be upgraded from the free version in order to perform some specific actions.

4. Update Windows 11

5. Perform a system restore

If none of the methods listed above have the brightness slider working in Windows 11, performing a system restore would help. SPONSORED The concept of System Restore is to take the system back to a state where the error didn’t exist. But you will have to choose a restore point created before you first encountered the error. Although Windows automatically creates them whenever undergoing any significant change, you must learn how to create a restore point in Windows 11 manually.

How do I stop Windows 11 from lowering brightness?

Some Windows 11 PCs can automatically adjust the brightness levels of the screen based on the content being displayed. Following the above steps, you can quickly turn this feature off and continue with your set brightness levels.

How can I fix other display issues in Windows 11?

Apart from being unable to change the brightness level, several users have reported that the screen dims automatically in Windows 11. Thankfully, we have a dedicated guide to help you resolve the problem. The issue arises when certain features responsible for automatically adjusting the screen brightness malfunction. Another problem some users seem to face is the flickering screen problem, which you can resolve by following this guide for the best solutions. If you are facing the black screen issue in Windows 11, we suggest you follow our guide for the most effective methods to resolve it. That’s all there is to the brightness slider not working problem in Windows 11. By reaching this part of the article, the error should be eliminated, and you would also know how to troubleshoot other issues with the display. Now that the brightness settings are accessible and working learn how to change them in Windows 11. Then, tell us which fix worked for you in the comments below.

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