Chapter 1. Getting to know your computer
5Keyboard function keys
You can access certain system settings quickly by pressing the appropriate
function keys.
: Mutes/unmutes the sou nd. : 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. :
Opens the interface for the
display device switch to
select this notebook or an
external display.
: Refreshes the desktop or the
currently active window. : D ecreases display
brightness.
: Enables/disables the
touchpad. : Increases display brightness.