Restart your computer and try to adjust the screen brightness.
According to information from Microsoft, it fixes the problem with brightness control on laptops with Windows 10 1803: If the brightness adjustment issue occurs immediately after upgrading to Windows 10 1803, try to install the last cumulative update KB4284835 (OS Build 17134.112, June 12, 2018). There are simpler solutions for Windows 10 1803. Also it is impossible to change the brightness using the keyboard’s function keys.Īlmost in 100% of cases, the rollback to the previous Windows 10 build (1709) helps to solve the problem with the display brightness. Brightness control doesn’t work and is stuck at max level at any position of the brightness slider in the settings. Some users are faced with the fact that after updating to the latest Windows 10 build (1803 April Update) they can’t change the screen brightness on many laptop models.
Unable to Adjust Screen Brightness after WindApril Update Unable to Change Brightness on a Laptop with Intel HD Graphics.Screen Brightness FN Keys Not Working on Laptop.Can’t Adjust Brightness after Installing TeamViewer.Switching to the Microsoft Basic Display Adapter Driver.Fix Screen Brightness Control Bug Using KMD_EnableBrightnessInterface2.Unable to Adjust Screen Brightness after WindApril Update.