2
External component identification
Display
Component
(1)
Internal display switch
(2)
WLAN antennas (2)*
(3)
WWAN antennas (2)* (select models only)
(4)
Internal microphone(s) (1 or 2 depending on
model)
(5)
Webcam light (select models only)
Description
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.
Send and receive wireless signals to communicate with wireless
local area networks (WLAN).
Send and receive wireless signals to communicate with wireless
wide area networks (WWAN).
Record sound.
On: The webcam is in use.
Display
7