Top Components; Display Components - HP ProBook 6455b Maintenance And Service Manual

Top components

Display components

NOTE: Your computer may look slightly different from the illustration in this section.
Item Component
(1) WWAN antennas (2)*
(2) Internal microphones (1 or 2, varying by computer
model)†
(3) WLAN antennas (2)*
(4) Webcam light (select models only)
(5) Webcam (select models only)
(6) Internal display switch
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately
around the antennas free from obstructions.
†Only computers equipped with a webcam are equipped with 2 microphones. Computers not equipped with a webcam are
equipped with only one microphone.
14 Chapter 2 External component identification
Description
Send and receive wireless signals to communicate with
wireless wide-area networks (WWAN).
Record sound.
NOTE: If there is a microphone icon next to each
microphone opening, your computer has internal
microphones.
Send and receive wireless signals to communicate with
wireless local area networks (WLAN).
On: The webcam is in use.
Records audio and video and captures still photographs.
Turns off the display or initiates the Sleep state
(Windows 7 and Windows Vista) or Standby (Windows
XP) if the display is closed while the power is on.