Decreasing Screen Brightness; Increasing Screen Brightness; Activating The Ambient Light Sensor - HP XT905UT User Manual

Decreasing screen brightness

Press fn+f9
incrementally.

Increasing screen brightness

Press fn+f10
incrementally.

Activating the ambient light sensor

Press fn+f11
to decrease screen brightness. Hold down the hotkey to decrease the brightness level
to increase screen brightness. Hold down the hotkey to increase the brightness level
to activate and deactivate the ambient light sensor.
Using the keyboard 39