External component identification
Top components
Display components
Item
Component
(1)
Ambient light sensor
(2)
Internal microphones (2)
(3)
Webcam light
(4)
Webcam infrared (IR) lights (2)
(5)
Webcam
(6)
Wireless antennas (2)
(7)
Internal display switch
2–2
Description
Adjusts the screen brightness levels automatically, based on surrounding
lighting conditions.
Record sound.
On: The webcam is in use.
Improve the webcam picture quality in low-light conditions.
Records video and captures still photographs.
Send and receive signals from one or more wireless devices. These antennas
are not visible from the outside of the computer.
✎
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.
Turns off the display and initiates Sleep if the display is closed while the power
is on.
✎
The internal display switch is not visible from the outside of the
computer.
Maintenance and Service Guide