HP ProBook 5320m Notebook PC - Manual (Page 18)

Display components
Component Description
(1) Internal display switch Initiates Hibernation, the Suspend state, or the screen saver, or
turns off the display if the display cover is closed while the power
is on.
NOTE: The 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 Records 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.
8 Chapter 1 Features