16 chapter 2 getting to know your computer – HP ProBook 4740s Notebook-PC User Manual
Page 26
Component
Description
(1)
Security cable slot
Attaches an optional security cable to the computer.
NOTE:
The security cable is designed to act as a
deterrent, but it may not prevent the computer from being
mishandled or stolen.
(2)
Power connector
Connects an AC adapter.
(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
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 component.
(8)
USB 3.0 ports (2)
Connect optional USB devices.
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Chapter 2 Getting to know your computer