![]() ![]() Keep reading Tweak Library for more such content. You can try them out and let us know if you have any queries or suggestions. If in case, this doesn’t fix, there are other ways listed in the article. Conclusion:Īlthough updating the display driver using either manual method or using Smart Driver Care will fix the error of brightness not working. This should solve your problem of brightness not working. With default settings, Windows 10 automatically downloads and updates graphics and other essential driver software. It could also be because you haven’t installed the graphics driver on your Windows 10 PC. Then set FeatureTestControl DWORD’s value data to 0000ffff. If display brightness settings are not working, it’s likely because of faulty or outdated graphics driver.Click System > ControlSet001 > Control.Open Run window using Win+R keys together. Type in regedit to open Registry Editor.To continue updating the registry, follow the steps below: If not done correctly, serious problems may occur. Note: Please note that updating Registry involves serious changes to your PC. Last method in our guide to fix brightness not working on Windows is through Registry update. Now, head to the Action tab at the top of the Device Manager.Right-click on it to check if it is enabled. Now, type in devmgmt.msc to open the Device Manager on Windows. Open the Run window by pressing Win+R key together.PnP stands for the plug-and-play hardware device. If the last method doesn’t work, you can try enabling the PnP monitor. Solutions to Windows 11 Brightness Not Working Disable/Enable Generic PnP Monitor or Update Driver. Change the available options to the desired settings.On the new window, click on Display to open further options.Then, click on Change advanced power settings.To have them work - and it appears to me that the 630 too is disabled although Device Manager says otherwise, I must 'Disable' and then 'Enable' the driver manually. On the next screen, you’ll see Change plan settings highlighted in blue colour. After updating the driver for Intel UHD 630 on a Dell XPS9570, Win 10, the F11 and F12 buttons, which regulate the brightness, are disabled.From the Start menu or Search box, open Control Panel. ![]() To enable Adaptive Brightness on Windows, follow these steps below: Not only this, Smart Driver Care gives you the ability to backup and restore backed up drivers in case something happens accidentally. ![]()
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