Press the fn key to lock the function keys.
Surface pro 4 keyboard backlight turn on.
So in case you are running out of battery you can disable the backlight or if you are working in an environment where there is adequate lighting you can always turn off the backlight.
Next choose the time for keyboard backlight s auto shutdown.
Press the fn key again to unlock them.
Simply press fn del to increase or the fn backspace buttons to decrease the display brightness.
Click on the tab to access additional options.
For surface 3 type cover type cover for surface pro 4 surface go signature type cover surface pro signature type cover surface laptop and surface book.
Activating the special keys increases or decreases the keyboard backlight on the surface keyboard.
Increase the keyboard backlight on with fn f2.
If you want to turn it on you can press and hold the key next to the key which you.
Of course you can also use the new display brightness buttons in the action center with.
Decrease the keyboard backlight off with fn f1.
Move the slider under the keyboard backlight tab to the right to enable the backlight.
To turn off the backlight in the surface keyboard press the key next to esc key see the image below.
So this is how you turn the backlight of the keyboard on or off.