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 13. List of keyboard shortcuts
Function key Re-defined key (for multi-media control) Behavior
F1 fn + F1 Mute audio
F2 fn + F2 Decrease volume
F3 fn + F3 Increase volume
F4 fn + F4 Play/Pause
F5 fn + F5 Toggle keyboard backlight (optional)
F6 fn + F6 Decrease brightness
F7 fn + F7 Increase brightness
F8 fn + F8 Switch to external display
F10 fn + F10 Print screen
F11 fn + F11 Home
F12 fn + F12 End
The fn key is also used with selected keys on the keyboard to invoke other secondary functions.
Table 14. List of keyboard shortcuts
Function key Behavior
fn + B Pause/Break
fn + S Toggle scroll lock
fn + R System request
fn + T Toggle Ultra performance mode
fn + right ctrl Open application menu
fn + /
NOTE: Brazilian keyboard only
Open application menu
fn + Space bar Open Emoji menu
fn + esc Toggle fn-key lock
fn + left arrow Home
fn + right arrow End
Specifications of Inspiron 16 5635 17
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