Using Your Computer
Operating the Computer
30 Reference Guide
Operating the Computer
To use the Fn hot keys
The combination of the Fn key plus another key creates a hot key—a shortcut key
sequence—for various system controls. Press and hold Fn while pressing the appropriate
key.
Hot key Does this
Fn+F1 Decreases the display’s brightness
Fn+F2 Increases the display’s brightness
Fn+F5 Switches among the built-in display, an external display, and
simultaneous displays
Fn+F7 Toggles the sound on and off (mutes sound)
Fn+F8 Toggles the embedded numeric keypad on and off (see “To use
the embedded keypad” on page 32)
Fn+Lock key* Toggles Scroll Lock on and off
Fn+Up arrow Increases sound volume
Fn+Down arrow Decreases sound volume
*The Lock key is in the top row of the keyboard: