HP ENVY 15-u400 Maintenance and Service Guide - Page 20

Keys, Using the action keys, An action key performs an assigned function.

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Keys Component (1) (2) (3) esc key fn key Windows key (4) Action keys (5) num lock key (6) Integrated numeric keypad Description Displays system information when pressed in combination with the fn key. Executes frequently used system functions when pressed in combination with the esc key. Opens the Start menu. NOTE: Pressing the Windows key again will close the Start menu. Execute frequently used system functions. NOTE: On select models, the f5 action key turns the radiance backlight keyboard feature off or on. Alternates between the navigational and numeric functions on the integrated numeric keypad. When num lock is on, it can be used like an external numeric keypad. Using the action keys ● An action key performs an assigned function. ● The icon on each action key illustrates the function for that key. ● To use an action key, press and hold the key. Icon Description Decreases the screen brightness incrementally as long as you hold down the key. Increases the screen brightness incrementally as long as you hold down the key. 12 Chapter 2 External component identification

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Keys
Component
Description
(1)
esc
key
Displays system information when pressed in combination with
the
fn
key.
(2)
fn
key
Executes frequently used system functions when pressed in
combination with the
esc
key.
(3)
Windows key
Opens the
Start
menu.
NOTE:
Pressing the Windows key again will close the
Start
menu.
(4)
Action keys
Execute frequently used system functions.
NOTE:
On select models, the
f5
action key turns the radiance
backlight keyboard feature off or on.
(5)
num lock
key
Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(6)
Integrated numeric keypad
When
num lock
is on, it can be used like an external numeric
keypad.
Using the action keys
●
An action key performs an assigned function.
●
The icon on each action key illustrates the function for that key.
●
To use an action key, press and hold the key.
Icon
Description
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
12
Chapter 2
External component identification