2
External component identification
Display
Item
Component
Description
(1)
WLAN antennas (2)*
Send and receive wireless signals to communicate with WLANs.
NOTE:
The position of the WLAN antennas may differ, depending
on model.
(2)
Internal microphone
Records sound.
(3)
Webcam
Records video, captures still photographs, and allows video
conferences and online chat by means of streaming video.
(4)
Webcam light
On: The webcam is in use.
(5)
Internal display switch
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.
*The antennas, IR emitters (select models only), and sensors are not visible from the outside of the computer. For optimal
transmission, keep the areas immediately around the antennas, IR emitters, and sensors free from obstructions. For wireless
regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region.
4
Chapter 2 External component identification
