HP ProBook 4740s Notebook PC Maintenance and Service Guide

2 External component identification
Display
Component Description
(1) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
(2) Internal microphone(s) (1 or 2 depending on
model)
Record sound.
(3) Webcam light (select models only) On: The webcam is in use.
(4) Webcam (select models only) Records video and captures still photographs.
To use the webcam, select Start > All Programs > ArcSoft
TotalMedia Suite > WebCam Companion.
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