HP ProBook 440 G0 Notebook PC - Manual (Page 22)

Display
Component Description
(1) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
(2) Internal microphones (2) Record sound.
(3) Webcam light On: The webcam is in use.
(4) Webcam Records video and captures still photographs.
(5) Internal display switch Turns off the display or initiates Suspend if the display is closed
while the power is on.
NOTE: The display switch is not visible from the outside of the
computer.
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately
around the antennas free from obstructions. To see wireless regulatory notices, see the section of the Regulatory, Safety,
and Environmental Notices that applies to your country or region.
12 Chapter 2 Getting to know your computer