When I install intel HD Graphics driver, the brightness control doesn't work anymore. This is the id of the screen: B140HAN01.2 I hope this post was helpful! Also, share with your friends.I've updated my old HD+ AUO TN sreen to an FullHD AUO IPS screen. Therefore, below are some easy solutions to the Windows 11 brightness control not working issue. Close the command prompt after completing the scan, then restart your PC. Next, right-click the CMD icon and select the Run as administrator option.Ģ – At the command prompt, enter sfc /scannow and press the Enter type.ģ – Now, wait till Windows 11’s scan is complete. Here are the steps you must take.ġ – Launch the Windows 11 search type and enter Command Prompt. The SFC or system file checker utility will detect and repair damaged system files and likely resolve any brightness-related issues on your computer. Brightness control not working or users being unable to adjust the display’s brightness is frequently the consequence of a corrupted system file. If none of the above solutions have resolved the brightness not working issue on Windows 11, you must use the SFC Command. This is how to fix the Windows 11 brightness control not working problem on a laptop or desktop computer. To accomplish this, you must follow the easy procedures outlined below.Ģ – In Device Manager, right-click the display adapter and choose Properties.ģ – Click the Roll back driver button in the Properties window (if available). It is rather simple to roll back display drivers to the earlier version of Windows 11’s operating system. If you have brightness control problems after installing a system update, you must roll back the Display Driver to the Previous version. Rollback Display Driver To The Previous Version This will most likely resolve the Windows 11 brightness control issue. After making the adjustments mentioned above, restart the computer. If Windows 11 and your display driver are incompatible, you will be unable to control the brightness.Ģ – In Device Manager, right-click the Display driver and choose Update Driver.ģ – Choose the option “Browse my computer for driver software” on the subsequent screen.Ĥ – On the subsequent screen, pick the option Allow me to choose from a list of device drivers on my computer and click Next.ĥ – Choose Microsoft Basic Display Adapter and click the Next button on the Choose the device driver screen. Switching to Microsoft’s Basic Display Adapter has been reported by several users to resolve the Windows 11 brightness control not working issue. Now Windows 11 will automatically look for available updates and install them on your device if it finds any. Here are the procedures required to update the Display Driver.ġ – Click the Windows 11 Search type and enter Device Manager.Ģ – Expand the Display Adapters option in Device Manager.ģ – Now, right-click on the GPU or display adapter that powers your display and choose Update Driver.Ĥ – Select Search automatically for updated driver software option in the following window. Hence, before attempting anything else, update that the Display Driver on your PC is up-to-date to easily fix the Windows 11 brightness control not working problem. Occasionally, the brightness control only functions owing to an out-of-date or flawed display driver. If the brightness control does not work on your Windows 11 computer, you must update the Display Driver first. Therefore, the same methods may be used to resolve the brightness control not working issue on all Windows versions. How To Quickly Fix Brightness Control Not Working On Windows 11?īe aware that our discussed methods are compatible with Windows 10 and prior Windows versions. This post will discuss some of the most effective and straightforward methods for resolving the Windows 11 Brightness issue. If you have a Windows 11 laptop and are experiencing the same problem, you are reading the correct information. In addition, some users have reported that the display brightness of Windows 11 fluctuates automatically. Users have complained that Windows 11’s brightness control does not work, preventing them from adjusting the screen’s brightness. Recently, we’ve got many emails from readers asking how to fix Windows 11 Brightness problems. However, if you are running a Dev build of Windows 11, you will have more problems, such as the Start Menu not working, brightness control not working, sound not working, etc. If you’ve been using Windows 11, you may already know that the operating system is partially bug-free.
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