HP EliteBook 8740w Mobile Workstation - Manual (Page 23)

Component Description
(1) Internal display switch Turns off the display and initiates Sleep if the display is closed while
the power is on.
NOTE: The internal display switch is not visible from the outside
of the computer.
(2) Internal microphones (2) Record sound.
NOTE: If there is a microphone icon next to each microphone
opening, your computer has internal microphones.
(3) Webcam light (select models only) On: The webcam is in use.
(4) Webcam (select models only) Records audio and video and captures still photographs.
Wireless antennas (select models only)
On select computer models, at least 2 antennas send and receive signals from one or more wireless
devices. These antennas are not visible from the outside of the computer.
Component Description
(1) WWAN antennas (2)* (select models only) Send and receive wireless signals to communicate with
wireless wide-area networks (WWANs).
(2) WLAN antennas (3)* (select models only) Send and receive wireless signals to communicate with
wireless local area networks (WLANs).
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around
the antennas free from obstructions.
Identifying hardware 11