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Combinations and functions with the Fn key
If you switch user identities during a computing session, the Fn+F7 key functionality (if available on your computer) will
be interrupted. To switch to an external display or monitor, see Selecting a display mode for more information.
Combinations/
Feature Function
Fn + (F3)
Mute On/Off Toggles the built-in speaker off and on.
Fn + (F4)
Speaker volume Adjusts the built-in speaker volume. An on-screen display appears notifying you when a change
occurs.
To increase volume, press Fn+F4, then or .
To decrease volume, press Fn+F4, then or .
Fn + (F5)
Brightness control Adjusts the brightness of the computer screen (LCD).
To increase light intensity, press Fn+F5 and then or .
To decrease light intensity, press Fn+F5 and then or .
Fn + / (F7)
Switch to the external monitor/LCD Toggles between the computer screen (LCD), a connected external display, and both
the LCD and external display.
Select one display at a time to playback DVDs. Connect the cable before you turn on the computer, otherwise Fn+F7 will not
work.
Fn + only/
(F8)
Control A/V OUT Toggles between the computer screen (LCD)-only, external-only, and dual LCD/TV display modes.
Select one display at a time to playback DVDs. Connect the cable before you turn on the computer, otherwise Fn+F8 will not
work. You cannot use the Fn+F8 function to switch between LCD and TV once a DVD is inserted into the optical drive.
Fn + (F12)
Hibernate 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.
Fn + Esc
Standby Puts the system into Standby mode, a power management state. To return the system to the active
state, press any key or the power button.
Fn + E Ejects the CD.
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