Combinations and functions with the Fn key
Combinations/
Feature
Function
Fn+F3
Toggles the built-in speakers off and on.
Fn+F4 Adjusts the built-in speaker volume.
To increase volume, press the Fn+F4 keys, plus the Up Arrow key
To decrease volume, press the Fn+F4 keys, plus the Down Arrow
Fn+F5 Adjusts the brightness of the computer screen (LCD).
To increase the brightness, press the Fn+F5 keys, plus the Up Arrow
To decrease the brightness, press the Fn+F5 keys, plus the Down Arrow
Fn+F7 Toggles the display between the computer screen (LCD), a connected TV, and a connected external display, such as
a monitor or projector.
Select one display at a time when playing a DVD. Connect the cable before you turn on the computer; otherwise, Fn+F7 will
not work. You cannot use the Fn+F7 function to switch between the LCD and TV once a DVD is inserted into the optical
drive.
Fn+F12
Puts the system into Hibernate mode, a power management state. To return the system to normal
operating mode, press the power button. Hibernate mode consumes the lowest level of power.
or the Right Arrow
key.
key or the Left Arrow
key or the Right Arrow
key or the Left Arrow
key.
key.
key.
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