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Hotkey combination Description
fn+f4 Switches the screen image among display devices connected to the computer. 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 hotkey can also alternate images among other devices that are receiving video
information from the computer.
fn+f6 Decreases speaker volume.
fn+f7 Increases speaker volume.
fn+f8 Displays charge information for the installed battery.
fn+f9 Decre
ases the screen brightness level.
fn+f10 Incr
eases the screen brightness level.
fn+f11
Activates and d eactivates the ambient light. When activated, the ambient light sensor automatically
adjusts the display brightness based on the lighting conditions in your environment.
Using keypads
Using the embedded numeric keypad
22 Chapter 5 Keyboard and pointing devices