2 External component identification
Display
Item Component Description
(1) Internal display switch Turns off the display or initiates Sleep if the display is
closed while the power is on.
NOTE: The display switch is not visible from the
outside of the computer.
(2) WLAN antennas (2)* Send and receive wireless signals to communicate
with WLANs.
(3) WWAN antennas (2)* (select models only) Send and receive wireless signals to communicate
with WWANs.
(4) Internal microphone Records sound.
Display 7
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