Maintenance and Service Guide

Table 2-6 Button, speakers, vent, and ngerprint reader and their descriptions (continued)
Component Description
▲ To use the ngerprint reader, place your nger on the ngerprint reader
until it reads your ngerprint.
IMPORTANT: To prevent ngerprint logon issues, make sure when you register
your ngerprint that all sides of your nger are registered by the ngerprint
reader.
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 specic functions when pressed in combination with another 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 products, the f5 action key turns the keyboard backlight
feature o or on.
(5) num lock key Alternates between the navigational and numeric functions on the integrated
numeric keypad.
(6) Integrated numeric keypad A separate keypad to the right of the alphabet keyboard. When num lock is
pressed, the keypad can be used like an external numeric keypad.
NOTE: If the keypad function is active when the computer is turned o, that
function is reinstated when the computer is turned back on.
12 Chapter 2 Getting to know your computer