Here is a quick and convenient guide on how to enable or disable the auto-brightness on Windows 10: You can turn off the Windows 10 adaptive brightness feature from the power option, the settings option, or Windows Services. Turning On and Off Auto-Brightness in Windows 10 However, most users prefer to adjust their screen brightness manually rather than use the Windows adaptive brightness feature. This, in turn, prevents the screen from always being bright thus minimizing your computer’s power usage. In Windows 10, auto-brightness functions by adjusting the screen’s brightness based on the light perceived from your surroundings.
