HP ZBook 15u G4, Maintenance And Service Manual, Page: 25 / 196

Component Description
A wireless network must be set up before a wireless connection is
possible.
(4) Volume mute button Mutes and restores speaker sound.
(5) Fingerprint reader (select products only) Allows a fingerprint logon to Windows, instead of a password
logon.
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 a function key, the
num lk key, the esc key, or
other key.
See Using the hot keys on page 14
(3) Windows key Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start
menu.
(4) Function keys Executes frequently used system functions when pressed in
combination with the
fn key.
See Using the hot keys on page 14
(5) num lk key Turns the embedded numeric keypad on and off when pressed in
combination with the
fn key.
(6) Integrated numeric keypad A separate keypad to the right of the alphabet keyboard that
enables you to add, subtract, and perform other numeric tasks.
When
num lk is on, the integrated keypad can be used like an
external numeric keypad.
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