HP DV3 - Manual (Page 15)

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 antennas On select computer models, at least two antennas 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.
(3) Internal microphones (2) Record sound.
(4) Webcam light On: The webcam is in use.
(5) Webcam Records audio and video and captures still photographs.
✎
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.