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+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
NOTE: Your computer may look slightly different from the illustration in this section.
Using the keyboard 27