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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 on 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 on the computer.
fn+ f6 Decreases speaker volume.
fn+f7 Increases speaker volume.
fn+f8 Displays charge information for all installed batteries. The display indicates which batteries are
charging and reports the amount of charge remaining in each battery.
fn+f9 Decreases the screen brightness level.
fn+f10 Increases the screen brightness level.
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
Component Description
(1) fn key Turns the embedded numeric keypad on and off when pressed
in combination with the num lk key.
NOTE: The embedded numeric keypad will not function while
an external keyboard or numeric keypad is connected to the
computer.
34 Chapter 4 Navigating using the keyboard, touch gestures and pointing devices