Component

 

Description

 

 

 

(4)

Wireless button

Turns the wireless feature on or off but does not establish a

 

 

wireless connection.

(5)Fingerprint reader (select models only)

Allows a fingerprint logon to Windows, instead of a password logon.

Keys

Model 4540s

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 keys.

 

 

 

(3)

Windows logo key

Displays the Windows Start menu.

 

 

 

(4)

Function keys

Execute frequently used system functions when pressed in

 

 

combination with the fn key.

 

 

 

(5)

Windows applications key

Displays a shortcut menu for items beneath the cursor.

 

 

 

(6)

num lk key

Alternates between the navigational and numeric functions

 

 

on the integrated numeric keypad.

 

 

 

(7)

Integrated numeric keypad

Can be used like an external numeric keypad.

 

 

 

12 Chapter 2 External component identification