External Component Identification; Display - HP ProBook 4430s Maintenance And Service Manual

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External component identification

Display

Component
(1) Speakers (2)
(2)
Internal display switch
(3) WWAN antennas (2)* (select models only)
(4) WLAN antennas (2)*
(5) Internal microphone(s) (1 or 2 depending on
model)
8 Chapter 2 External component identification
Description
Produce sound.
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.
Send and receive wireless signals to communicate with wireless
wide-area networks (WWAN).
Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
Record sound.