HP EliteBook 2170p Notebook PC - Manual (Page 38)

Hot key
combination Description
fn + f4 Switches the screen image among display devices connected to the system. For example, if a
monitor is connected to the computer,
fn + f4 alternates the screen image from computer display to
monitor display to simultaneous display on both the computer and the monitor.
Most external monitors receive video information from the computer using the external VGA video
standard. The
fn + f4 hot key can also alternate images among other devices that are receiving video
information from the computer.
fn + f5 Mutes or restores speaker sound.
fn + f6 Decreases speaker volume.
fn + f7 Increases speaker volume.
fn + f9 Decreases the screen brightness level.
fn + f10 Increases the screen brightness level.
fn + f11 Turns the keyboard backlight on and off (select models only).
NOTE: The keyboard backlight is turned on at the factory. To extend battery life, turn off the
keyboard backlight.
fn + f12 Turns the wireless feature on or off.
NOTE: This key does not establish a wireless connection. To establish a wireless connection, a
wireless network must be set up.
Using keypads
The computer includes an embedded numeric keypad. The computer also supports an optional
external numeric keypad, or an optional external keyboard that includes a numeric keypad.
Using the embedded numeric keypad
28 Chapter 4 Navigating using the keyboard, touch gestures and pointing devices