How to change brightness settings on Windows 10
Action center
- Select the network icon near the bottom right of the taskbar
 

- Control brightness by using the slider at the bottom.
 

How to turn off auto brightness
- Select Start and go to Settings > System > Display.
 
- Uncheck the box “Change brightness automatically when lighting changes” to disable auto brightness.
 

- You can also change your display brightness with the slider.
 
