HP ProBook 635 Aero G7, Maintenance And Service Manual, Page: 20 / 119

Table 2-6 Button, speakers, and fingerprint reader and their descriptions (continued)
Component Description
(3) Fingerprint reader (select products only) Allows a fingerprint logon to Windows, instead of a password logon.
▲
Touch your finger to the fingerprint reader.
IMPORTANT: To prevent fingerprint logon issues, be sure
when you register your fingerprint that all sides of your finger
are registered by the fingerprint reader.
Special keys
Use the illustration and table to identify the special keys.
Table 2-7 Special keys and their descriptions
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 another key. Such key combinations are called
hot keys .
(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.
(5) Power button
●
When the computer is off, press the button briefly to turn on
the computer.
●
When the computer is on, press the button briefly to initiate
Sleep.
●
When the computer is in the Sleep state, press the button
briefly to exit Sleep (select products only).
12 Chapter 2 Components