HP ProBook 4446s Notebook-PC - Manual (Page 23)

Component Description
(3) AC adapter/battery light ● Amber: The computer is connected to external power
and the battery is charged from 0 to 90 percent.
● White: The computer is connected to external power
and the battery is charged from 90 to 99 percent.
● Blinking amber: A battery that is the only available
power source has reached a low battery level. When
the battery reaches a critical battery level, the AC
adapter/battery light begins blinking rapidly.
● Off: The battery is fully charged.
(4) 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.
(5) External monitor port Connects an external VGA monitor or projector.
(6) RJ-45 (network) jack Connects a network cable.
(7) HDMI port Connects an optional video or audio device, such as a high-
definition television, or any compatible digital or audio
device.
(8) USB 3.0 ports (2) Connect optional USB devices.
Display
NOTE: Refer to the illustration that most closely matches your computer.
Display 13