If your windows 11 or windows 10 brightness is not working on already installed windows or after installing windows, then there could be several reasons for the brightness error.
But don’t worry, In this guide, I will explain everything to you in brief so that your brightness error will be solved.
Why is the brightness slider not working on Windows 11 or Windows 10?
The brightness slider is not working due to important DLL files being missing or corrupt also may be due to problematic drivers.
As we all know, because the ieframe.dll file brightness is working, that’s why we should look for problems with it.
In addition, incorrect settings, or problems with the current Windows 11, can cause problems when adjusting brightness.
Identifying the actual problem could be a little difficult, so I will recommend that you perform the fixes below one by one to solve the brightness problem in Windows 11 or Windows 10.
Windows 11 brightness is not working? Apply the below fixes to fix the error.
- If your brightness slider is not working on your Windows 11 or Windows 10 PC/Laptop, you are not the only one, there are many users already reported the error.
- You can try to reinstall the monitor driver, update the graphics driver, and run the SFC scan. Many solutions listed in this guide will help you fix the problem.
How to fix the brightness slider missing or not working on windows 11 or Windows 10?
1Reinstall or update the graphics driver
1. To reinstall the graphics driver right-click on the Start icon and click on the Device Manager
2. Expand the Display Adapters section.
3. Right-click on the Intel(R) HD Graphics and select properties from the context menu. Then the properties window will pop up. Now go to Driver Tab & click on update.
Then another window will open, now click on Search Automatically for Drivers, After that, click on Search for Updated Drivers on Windows Update then the windows update window will open.
If an updated driver is available then windows will find out the latest available driver on the system and automatically install it for the graphic driver.
4. If you have display adapters other than the Intel(R) HD graphics, such as AMD, or anyone, update them in the same way. Watch the video also.
2Reinstall or update the monitor driver
1. Right-click on the Start icon and click on the Device Manager
2. Expand the Monitors section.
3. Right-click on the PnP-Monitor Lock (Standard) or Generic PnP Monitor and click on Disable then again Enable it.
After that Select properties from the context menu. Then the properties window will pop up. Now go to Driver Tab & click on update. Then another window will open, now click on Search Automatically for Drivers,
After that click on Search for Updated Drivers on Windows Update then the windows update window will open. If an updated driver is available then windows will find out the latest available driver on the system and automatically install it for the graphic driver.
3Update the driver manually or by driver updater
If your PC or laptop has an old graphics driver installed then maybe this is the reason, the brightness slider is not working on Windows 11. So, you need to update the driver.
In such a case, Windows probably cannot find the update by the Device Manager method. So, you can search for an updated driver version in Windows Update or another option is to manually download the driver setup from the official manufacturer’s website and install it by yourself.
Another way to find the latest driver is to use the Complete Driver Update Assistant which will automatically solve your problem in just a few simple clicks. And I would recommend the Ashampoo driver updater. Follow the below easy steps to update your drivers properly.
- Download and install the Ashampoo driver updater.
- Launch the Ashampoo driver updater software.
- Wait a few seconds, Ashampoo Driver Updater will automatically detect all outdated or faulty drivers.
- When the faulty driver detection is over, you will get a list of all the drivers that have issues, after that you just need to select the ones you want to fix or update all the drivers which are detected by the software.
- This process will take some time, so now let it download and install the latest and updated driver.
- Once installation gets complete, you will get a notification to restart your PC for the changes to take effect. So, restart your PC / Laptop.
4Perform SFC and RestoreHealth
1. Open the Search menu, type the command prompt and click on run as administrator.
2. Type the following command and then hit Enter:
| Dism /Online /Cleanup-Image /RestoreHealth |
3. Let it complete the restore operation. Once it is completed close the command prompt.
5Perform SFC and CheckDisk scans to repair the corrupted/damaged files
1. Open the Search menu, type the command prompt and click on run as administrator.
2. Type the following command and then hit Enter:
| chkdsk |
3. once the above chkdsk command gets completed, type the following command and then hit Enter:
| prompt |
4. Now, copy and paste the following two commands one by one and hit Enter (after completing each scan) and it will fix the issues with the ieframe.dll file:
| sfc /scanfile=c:\windows\system32\ieframe.dll |
| sfc /verifyfile=c:\windows\system32\ieframe.dll |
5. once the above scan gets complete, type the following command and then hit Enter:
| assoc |
6. Now, copy and paste the following commands and then hit Enter:
| sfc /scannow |
Now finally type Exit and hit Enter to close the command prompt.
These scans will check and identify all problems with the ieframe.dll file and the other corrupted system files. It will replace the corrupted files with their cached copy files.
After scans, now check whether the brightness slider is now working in windows 11 or windows 10.
6Update the Windows 11 or Windows 10
1. Press the Windows + I key to open the settings or Right-click on Start and click on settings.
2. From the left side panel, select windows update.
3. Now click on check for updates.
4. If any updates are found then click on Download & Install.
7Modify Brightness Settings Via Windows Registry
Windows registry is that part from where you can change or modify the display setting and you can make the brightness controller function work again. Follow the step-by-step method to change the settings of the Windows registry.
- Open the Search menu, type the registry editor and click to open or press the WIN+R shortcut key to open the run and type regedit, and click on ok.
- When the Registry Editor is opened, go to the below-shown location:
| HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System |
- Now search for the NoDispCPL value and when you find then double-click on it.
- In the Value data column Enter the 0 value and click OK to save the changes.
- Finally, close the Registry Editor and restart the system to see the update the changes.
8If nothing works – Reset the system
If updating the system doesn’t solve your problem, then you can either wait for an upcoming new update with some fixes or you can reset the PC to get the fix right away.
If you have decided to reset your system, follow the steps below to know the exact procedure:
- Firstly, Open the Settings app (WIN+I) on the PC and search reset system for the Recovery section.
- Then Click on the Reset PC option.
- Now you can select the Keep my files option if you don’t want to delete your stored data on the Windows system.
Conclusion
I hope, your problem and your Brightness not Working on Windows 11 have been solved now. Many people continuously search for solutions for brightness not working or brightness slider not working issues.
But good thing is that in this article, I have shared 8 Easy Ways to Fix Brightness not Working on Windows 11 or Windows 10 issue to solve the problem. you can check the above solutions one by one to get out of this problem.
