2 External component identification
Top components
Display components
Item Component Function
(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) Speakers (2) Produce sound.
4 Chapter 2 External component identification ENWW
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