Left - HP ProBook 4230s Maintenance And Service Manual

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Component
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14 Chapter 2 External component identification
Security cable slot
RJ-11 (modem) jack (select models only)
Vent
External monitor port
HDMI port
SuperSpeed 3.0 USB port
Description
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.
Connects a modem cable.
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.
Connects an external VGA monitor or projector.
Connects an optional video or audio device, such as a
high-definition television, or any compatible digital or audio
component.
Connects an optional USB device.