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Combinations and functions with the Fn key
If you switch user identities during a computing session, the Fn+F7 and Fn+F8 key functionality (if available on your
computer) will be interrupted. To switch to an external display or monitor, see
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.
To increase volume, press Fn+F4, then
To decrease volume, press Fn+F4, then
Fn+
(F5)
Brightness control
Adjusts the brightness of the LCD.
To increase light intensity, press Fn+F5 and then
To decrease light intensity, press Fn+F5 and then
Fn+
/
(F7)
Switch to the external monitor/LCD
both 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 AV Out
Toggles between LCD-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 disc
drive.
Fn+
(F12)
Hibernate
Provides for the lowest level of power consumption. When you run this command, the state of the
system and state of the peripheral devices are written to the hard disk and the system power is turned off. To return the
system to its original state, use the power button to turn on power.
Fn+Esc
or
.
or
.
or
.
or
.
Toggles through the LCD, external display (connected to the
Selecting the Display Mode
for more
Monitor port) and
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Table of Contents
Troubleshooting
