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NOTE:

Keyboard characters may differ depending on the keyboard language configuration. Keys used for shortcuts remain

the same across all language configurations.

Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform

secondary functions. The symbol shown on the lower part of the key refers to the character that is typed out when the key is

pressed. If you press shift and the key, the symbol shown on the upper part of the key is typed out. For example, if you press 2,

2 is typed out; if you press Shift + 2, @ is typed out.

The keys F1-F12 at the top row of the keyboard are function keys for multi-media control, as indicated by the icon at the bottom

of the key. Press the function key to invoke the task represented by the icon. For example, pressing F1 mutes the audio (refer to

the table below).

However, if the function keys F1-F12 are needed for specific software applications, multi-media functionality can be disabled

by pressing Fn + Esc. Subsequently, multi-media control can be invoked by pressing Fn and the respective function key. For

example, mute audio by pressing Fn + F1.

NOTE:

You can also define the primary behavior of the function keys (F1–F12) by changing Function Key Behavior in

BIOS setup program.

Table 25. List of keyboard shortcuts

Function key

F10

F11

F12

The Fn key is also used with selected keys on the keyboard to invoke other secondary functions.

Table 26. Secondary behavior

Function key

Fn + F1

Fn + F2

Fn + F3

Fn + F4

Fn + F5

Fn + F6

Fn + F8

Keyboard shortcuts of Vostro 3420

Primary behavior

Mute audio

Decrease volume

Increase volume

Play/Pause

Toggle keyboard backlight (optional)

Decrease brightness

Increase brightness

Switch to external display

Print screen

Home

End

Secondary behavior

Operating system and application specific F1 behavior

Operating system and application specific F2 behavior

Operating system and application specific F3 behavior

Operating system and application specific F4 behavior

Operating system and application specific F5 behavior

Operating system and application specific F6 behavior

Operating system and application specific F8 behavior

Keyboard shortcuts of Vostro 3420