2
External component identification
Display
Component
Description
(1)
Speakers (2)
Produce sound.
(2)
Internal display switch
Turns off the display or initiates Sleep if the display is closed
while the power is on.
NOTE:
The display switch is not visible from the outside of the
computer.
(3)
WWAN antennas (2)* (select models only)
Send and receive wireless signals to communicate with wireless
wide-area networks (WWAN).
(4)
WLAN antennas (2)*
Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
(5)
Internal microphone(s) (1 or 2 depending on
model)
Record sound.
Display
9
Summary of Contents for ProBook 4330s
Page 4: ...iv Safety warning notice ...
Page 8: ...viii ...
Page 30: ...Computer major components 22 Chapter 3 Illustrated parts catalog ...
Page 153: ......