Unnoticeable Brightness Change 10 Ways You can Fix Brightness Function Keys not Working Try Re-enabling Your Display Adapter.
The brightness problem in Windows 10 PC mostly occurs due to outdated graphics drivers, damaged graphics cards, damaged monitors, bugs & errors. The others for the sound etc working … (depending on the laptop model), nothing happens. Great! If you’ve disabled Hotkey Support but later wish to turn it back on, simply follow steps 1-2, then right-click on HP Hotkey UWP Service, and click Start. Hp Brightness Not Working Windows 10 If the brightness control button not working and you still searching how to solve brightness problem in windows 8, 8.1 and 10.
Option 1: Disable automatic brightness adjustments. If the brightness control button not working and you still searching how to solve brightness problem in windows 8, 8.1 and 10. This means that it comes with a cleaner and fewer configuration options.