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 that is 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 that is 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 multimedia 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, multimedia functionality can be disabled
by pressing fn + esc. Subsequently, multimedia 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 14. List of keyboard shortcuts
Function key Primary behavior
F1 Mute audio
F2 Decrease volume
F3 Increase volume
F4 Play/Pause
F5 Toggle keyboard backlight (optional).
NOTE: Non-backlight keyboards have the F5 function key without
the backlight icon and do not support the toggle keyboard backlight
function.
NOTE: Toggle to cycle the keyboard backlight status through off, low-
backlight, and high-backlight.
F6 Decrease brightness
F7 Increase brightness
F8 Switch to external display
F10 Print screen
F11 Move cursor to the beginning of the line
F12 Move cursor to the end of the line
The fn key is also used with selected keys on the keyboard to invoke other secondary functions.
Table 15.
Secondary behavior
Function key Secondary behavior
fn + Esc Toggle fn-key lock
fn + S Toggle scroll lock
fn + B Pause/Break
fn + R System request
fn + P Privacy screen
fn + Space bar Open the emoji menu
fn + T Toggle ultra performance mode
fn + Left arrow Move cursor to the beginning of the document
fn + Right arrow Move cursor to the end of the document
fn + Up arrow Move cursor to the top of the page
Specifications of Inspiron 14 5445 19
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