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Item Component Function
(1) Ambient light sensor Adjusts the screen brightness levels automatically,
based on surrounding lighting conditions.
(2) Internal microphones (2) Record sound..
(3) Webcam light On: The webcam is in use.
(4) Webcam infrared (IR) lights (2) Improve the webcam picture quality in low-light
conditions.
(5) Webcam Records video and captures still photographs.
(6) Wireless antennas (2) Send and receive signals from one or more wireless
devices. These antennas are not visible from the outside
of the computer.
NOTE: For optimal transmission, keep the areas
immediately around the antennas free from obstructions.
To see wireless regulatory notices, refer to the section of
the Regulatory, Safety and Environmental Notices that
applies to your country or region. These notices are
located in Help and Support.
(7) 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.
Button
6 Chapter 2 External component identification