

This is a fairly common hurdle that many Windows 10 users are facing right now.

But the problem can be a number of different things, for example bad drivers, incorrect battery settings, ATI erroretc. And you won't be able to adjust the brightness again until you change the battery management settings or charge your laptop. If you have enabled automatic battery management, if the battery starts to run out, the brightness will automatically change to the dimmer setting. Why can't I adjust the screen brightness in Windows 10? Now if you try to adjust the brightness using the brightness keys in the keyword then it would show the brightness level going up and down, but nothing would actually happen. If you try to adjust the brightness with the Windows setup applications, you will not be able to change anything, since dragging the brightness level up or down will do nothing. Fix Can't adjust screen brightness in Windows 10: If you have recently upgraded to Windows 10, it is feasible that you are facing this annoying problem where can't adjust screen brightnessIn short, the screen brightness setting stopped working.
