2 External component identification
Display
Component Description
(1) WLAN antennas (2)* (select models only) Send and receive wireless signals to communicate with wireless local
area networks (WLAN).
(2) WWAN antennas (2)* (select models only) Send and receive wireless signals to communicate with wireless wide
area networks (WWAN).
(3) Internal microphones (2) (select models only; SLED
models do not support WWAN)
Record sound.
(4) Webcam light (select models only) On: The webcam is in use.
(5) Webcam (select models only) Records video and captures still photographs.
To use the webcam:
Windows 8: From the Start screen, type c, and then select CyberLink
YouCam from the list of applications.
Windows 7: Select Start > All Programs > Communication and Chat
> Cyberlink YouCam.
(6) Internal display switch Turns off the display or initiates Sleep if the display is closed while
the power is on.
Display 7