Chapter 1. Getting to know your computer
3Keyboard function keys
You can access certain system settings quickly by pressing the appropriate function keys.
:Mutes/unmutes the sound. :Enables/disables Airplane
mode.
:Decreases the volume level. :Displays all currently active
apps.
:Increases the volume level. :Turns on/off the backlight of
the LCD screen.
:Closes the currently active
window. :
Toggles the display between the
computer and an external
device.
:Refreshes the desktop or the
currently active window. :Decreases the display
brightness.
:
Enables/disables the touch pad
. :Increases the display
brightness.
Note:By default, the screen brightness is set automatically (based on the ambient light level). If you want to
adjust the brightness of the screen manually, open the charms bar and select Settings → Change PC
settings → General → Screen (Adjust my screen brightness automatically) and toggle the switch to
Off.