But, several users are currently facing hurdles in increasing or decreasing their screen brightness. Some users said the brightness slider is missing in the Quick Action Center from their Windows 11 PCs. While some users mentioned that even the brightness slider isn’t helping them turn the screen brightness up and down. If you’re also facing issues while adjusting the screen brightness in your Windows 11 PC, keep reading. Here in this article, we’ve listed all the possible workarounds to help you bring the Brightness controller feature into the working state.
Why Is Brightness Not Working in Windows 11?
Why Is Brightness Not Working in Windows 11?
Here are some of the most common reasons that are expected to create issues with the Brightness Controller/Slider in Windows 11:
Malfunctioned Graphics Drivers Changes Made By TeamViewer App Missing Generic PnP Monitor Driver Outdated Display Adapters Disabled Monitor Driver Corrupted ieframe.dll element
4 Alternate Methods To Change System’s Brightness
4 Alternate Methods To Change System’s Brightness
Before heading to the actual workarounds, we’re sharing alternate ways to change the screen’s brightness in Windows. Let’s check them out.
1. From Quick Settings
One of the first methods to level up or down the screen brightness is from the Quick Action Center. This method isn’t working for some Windows users, but it could work for you. Below are the steps to change the brightness level using this method:
2. From Windows Settings
You can also change your screen’s brightness level from the Settings, and here are the exact steps to do the same with ease:
3. With Dedicated Keys
Another easy method to increase or decrease the brightness level is using keyboard shortcuts designed for the same purpose. You can press the F5 and Fn keys on the keyboard at the same time to turn up the brightness. On the other hand, use the F6 and Fn keys simultaneously to decrease the screen’s brightness level.
4. Using Command Prompt
The last method to level up or down the brightness level in Windows 11 is using the Command Prompt or Windows PowerShell app, and the below-mentioned steps demonstrate the same:
Fix Brightness Not Working In Windows 11
Fix Brightness Not Working In Windows 11
In this section, we’ve shared more than eight tried and tested solutions to overcome all the shortcomings of the Brightness Controller feature in the new Windows 11.
1. Uninstall the TeamViewer Software From Your System; if Installed
Many affected users suggested uninstalling the TeamViewer application and mentioned that the TeamViewer app changes the system’s display settings, which can cause this issue. So, If you’re also using the TeamViewer app on your Windows PC, we suggest uninstalling it from the system to resolve the issue.
2. Disable Automatic Brightness Option From Settings
Auto-Brightness is an excellent feature that automatically changes the screen’s brightness level when the lighting changes. But, this can also create annoying issues as this doesn’t allow us to manually change the brightness using the brightness slider or any other feature. In that case, we suggest turning off the Auto-Brightness option. Here are the steps to do the same:
3. Restart the Display Enhancement Service
Display Enhancement Service is an essential Windows service that plays an important role in the proper functioning of the Brightness Controller feature. It could be possible that this particular service isn’t operating correctly, which is why you cannot change the brightness using any method. We recommend restarting the Display Enhancement Service from the Services Manager to ensure it’s functioning correctly and have no internal issues. Below are the steps to restart the Display Enhancement Service:
4. Re-enable, Update, & Reinstall Generic Monitor Drivers
Monitor Drivers are an integral part of Windows that manages multiple settings, such as refresh rate, screen resolution, screen brightness, color quality settings, and much more. It’s possible that the monitor drivers have some issues, eventually causing this issue. In that case, troubleshooting the monitor drivers can easily resolve the problem. We suggest starting the troubleshooting process by re-enabling the monitor drivers. Then, continue the process by updating the drivers. Lastly, we suggest reinstalling the monitor drivers to end the troubleshooting process. Here are the steps to perform the entire troubleshooting process with ease:
Re-enable the Generic Monitor Drivers
Update the Generic Monitor Drivers
Reinstall the Generic PnP Monitor Drivers
5. Upgrade Display Adapter Drivers
Keeping the display adapter drivers updated is necessary to maintain the system’s integrity and other display-related functions working. There are chances that the display drivers are outdated and leading to this issue. Follow us along to update the display adapters in a few simple steps:
6. Install Microsoft Basic Display Adapter
If updating the display or graphic adapters doesn’t improve the situation, we recommend replacing the integrated display adapter with the Microsoft Basic Adapter. The Microsoft Basic Adapter helps when the integrated drivers have some problems. You can check the below-mentioned steps to install Microsoft Basic Adapters:
7. Perform SFC and CheckDisk Scans To Repair Damaged Files
One of the common reasons behind the brightness not working issue is the corrupted ieframe.dll element. The ieframe.dll element is responsible for the correct functioning of many essential Windows, including the screen brightness function. Sometimes, third-party software damages the ieframe.dll file, making it incapable of properly handling assigned system functions. You can repair the ieframe.dll file conducting the SFC and CheckDisk scan. Here are the steps to conduct both scans with ease:
8. Modify Brightness Settings Through Windows Registry
Windows Registry is an integral part of Windows OS that stores all the information about the programs and processes of the system in one place. You can also modify the display settings from the Windows Registry and make the Brightness Controller function work again. Follow the below-mentioned steps to change Windows Registry settings:
9. Update Your Windows PC
There are chances that the issue is with the current version of Windows, and developers have released new updates to resolve it. In that case, we suggest searching for new system updates and installing them to see if updating them fixes the problem. Here are the steps to update your Windows 11 PC:
10. Reset the System (if Nothing Works Out)
If updating the system doesn’t resolve the issue, you can either wait for the new update with some fixes or simply reset the PC to immediately resolve the PC. If you decide to reset the system, follow the below-mentioned steps to know the exact process:
How Can I Adjust Brightness in Windows 11?
One of the easiest methods to adjust the screen’s brightness level in Windows 11 is through Windows’s Quick Action Centre.
How Do I Fix Brightness Control Not Working?
You must ensure that the Auto-Brightness and the Battery saver are disabled, as they can also create this issue.
Why Is My Brightness Level Not Working?
If you’re unable to change the screen’s brightness, it could be because of the corrupted ieframe.dll element.
Does Windows 11 Have Auto-Brightness?
Yes, the latest Windows 11 has the Auto-Brightness option and it can be enabled/disabled from Windows’s Display Settings.
How Do I Turn On the Fn Key for Brightness?
You can use the F5/F6 and the Function (Fn) key at the same time to turn up or down the laptop’s screen brightness, respectively.
Final Words
Final Words
Changing screen brightness in Windows has become a complicated task. This is because the brightness slider function isn’t working correctly for many users and not allowing them to change the brightness level of their systems. Users are continuously searching for some workarounds to overcome the brightness not working issue in their Windows 11 system. Fortunately, in this article, we shared some of the best solutions to eliminate the problem. You can implement the above-mentioned solutions to get out of this situation asap.
