2 External component identification
Display
Item Component Description
(1) Internal display switch Turns off the display and initiates Sleep if the display is
closed while the power is on.
NOTE: The internal display switch is not visible from
the outside of the computer.
(2) WLAN antennas (2)* Send and receive wireless signals to communicate with
wireless local area networks (WLANs).
NOTE: To set up a WLAN and connect to the Internet,
you need a broadband modem (either DSL or cable,
purchased separately), high-speed Internet service
purchased from an Internet service provider, and a
wireless router (purchased separately).
(3) Webcamera light On: The webcamera is in use.
(4) Webcamera Records video, captures still photographs, and provides
access to video conferences and online chat by means
of streaming video.
(5) Internal microphone Records sound.
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately
around the antennas free from obstructions. For wireless regulatory notices, see the section of the Regulatory, Safety, and
Environmental Notices that applies to your country or region.
6 Chapter 2 External component identification
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