

Step 2: Type in “power” and tap “ Settings” Step 1: Just swipe in from right side of the screen to reveal the Charms Bar, from where you can tap “ Search” But if you wish to disable it and keep the brightness level under your control or keep it constant, then here we go,

Microsoft has enabled this feature by default, so that your device keeps adjusting the brightness level according to the current environment. Are you wondering why does your Surface dims its screen and never continue to be at constant brightness level? The reason is quite simple, Surface is enabled to adjust its brightness level automatically that’s called as “Adaptive Brightness”.
