HP Compaq nc8430 Maintenance And Service Manual page 23

Item Component
1 Display lid switch
2 Pointing stick
(select models only)
3 Stereo speakers (2)
4 TouchPad
5 TouchPad buttons
6 Fingerprint reader
7 TouchPad scroll zone
8 Pointing stick buttons
(select models only)
Maintenance and Service Guide
Table 1-7
Top Components
Function
■ If the computer is closed while on, turns
off the display.
■ If the computer is opened while in
standby, turns on the computer
(resumes from standby).
Moves the pointer and selects or activates
items on the screen.
Produce stereo sound.
Moves the pointer and selects or activates
items on the screen. Can be set to perform
other mouse functions, such as scrolling,
selecting, and double-clicking.
Function like the left, middle, and right
buttons on an external mouse.
Allows a fingerprint logon to Windows
instead of using a password.
Scrolls up or down.
Function like the left, middle, and right
buttons on an external mouse.
Product Description
1–17