![]() ![]() ![]() Brightness Control Not Working on Windows 10: Fixed. Fix 3: Utilizing Microsoft’s Basic Display Adapter Software. Fix 2: Turning On Adaptive Brightness Feature. Please open a terminal and run the following command. How to Fix Brightness Control Not Working on Windows 10, 11. Given all the issues people with 4000 series Ryzens have been having with the 5.13 kernel, I suggest you install the 5.14-oem kernel. If you run inxi -Gx in a terminal you will see N/A right after the word driver. Right now your system is running in software rendering mode because there are no graphics drivers installed. The 4000 series Ryzen requires using a kernel newer than 5.4 in order to get the proper graphics drivers. If you want to get the brightness fixed, you have to get the proper graphics drivers installed. I'd like also to say it is not advisable to modify the registry settings without proper knowledge or guidance as it may lead to system instability and other issues.I downloaded the xfce version of mint and everything is working fine except for the brightness control, here viewtopic.php?t=346688 is stated that downloading version 5.8 for the kernel solves the issue but that version seems to be outdated and has tons of bugs, also installing a kernel to check if the brightness issue is fixed is too risky for me to do Welcome to the forum, pr0m3th3us. Restart your computer for the changes to take effect. 3) Select NVIDIA settings and you can now move the slider for Brightness and Contrast. Click on Adjust desktop color settings at the left hand side navigation bar. In Windows 10 and 11, you can change the display brightness from the Settings panel. Look for a DWORD value called "FeatureTestControl" and double-click on it to edit its value data.Ĭhange the value from 9240 to 9250 and click OK. If you use an Nvidia Graphics Driver (Resource from here ) Right click on desktop and select NVIDIA Control Panel. Adjust the Screen Brightness from Windows Settings. Navigate to HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Class\0001 (Note: the last four digits may vary depending on your hardware configuration). Type "regedit" and press Enter to open the Registry Editor. Press the Windows key + R to open the Run dialog box. This is a more advanced method and requires some technical knowledge, so I would recommend only attempting this if you feel comfortable doing so. Continue to hold down the shift key until the Advanced Recovery Options menu appears. Continue to hold down the shift key while clicking Restart.
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