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Press fn+function key
R
C
S
14
Chapter 2 External component identification
Description
Switches the screen image among display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing
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.
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
Mutes or restores speaker sound.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Mutes the microphone.
Turns the wireless feature on or off.
NOTE:
A wireless network must be set up before a wireless connection is possible.
Pauses or breaks an operation. This replaces the break key.
Locks cell. This replaces the scroll lock key.
Sends a programming query. This replaces the sys rq key.
fn+f4
alternates the screen image from computer display to
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