HP ProBook 450 G2, Maintenance And Service Manual, Page: 28 / 169

Left
Component Description
(1) Power connector Connects an AC adapter.
(2) AC adapter/Battery light
●
White: The computer is connected to external power and
the battery is charged from 90 to 99 percent.
●
Amber: The computer is connected to external power and
the battery is charged from 0 to 89 percent.
●
Off: The battery is fully charged.
(3) Vent Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal for
the internal fan to cycle on and off during routine operation.
(4) External monitor port Connects an external VGA monitor or projector.
(5) RJ-45 (network) jack/lights Connects a network cable.
●
Green (right): The network is connected.
●
Amber (left): Activity is occurring on the network.
(6) HDMI port Connects an optional video or audio device, such as a high-
definition television, any compatible digital or audio component,
or a high-speed HDMI device.
(7) USB 3.0 ports (2) Each USB 3.0 port connects an optional USB device, such as a
keyboard, mouse, external drive, printer, scanner or USB hub.
16 Chapter 2 External component identification