Adjust screen brightness windows 10 „09-17-2015 05:08 pm thank you so much for this fix, out of all the fixes on this forum, this is the only one that worked for me.. Change screen brightness in windows 10. content provided by microsoft. select start, choose settings, if you don't have a desktop pc and the slider doesn't appear or work, try updating the display driver. in the search box on the taskbar, type device manager,. Some pcs can let windows automatically adjust screen brightness based on the current lighting conditions. to find out if your pc supports this, in display settings, under brightness and color, look for the change brightness automatically when lighting changes check box, and then select it to use this feature..
I don’t see quickset listed for windows 8.1 on the l521x so it is likely not going to be needed for windows 10. i also checked the bios and did not see any settings for screen brightness.. Set the brightness of the display to a desired level. your device will revert to its previous brightness setting/level once the app is closed. this app demonstrates the windows.. Windows should now install the selected driver and the display driver issue should no longer affect your screen brightness feature. you should now be able to increase or decrease display.