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Maintenance and Service Guide 2–1
2
External component identification
Top components
Display components
Item Component Description
1
Internal display switch Turns off the display and initiates Sleep if the display is closed
while the power is on.
2
Wireless antennae (2) (select models only) Send and receive signals from one or more wireless
devices.
✎
The antennae are not visible from the outside of the
computer. For optimal transmission, keep the areas
immediately around the antennae 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.
3
Integrated webcam light (select models only) On: The integrated webcam is in use.
4
Integrated webcam (select models only) Records audio and video and captures still photographs.
5
Internal microphone Records sound.