Left - HP EliteBook 820 G4 Maintenance And Service Manual

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6 Chapter 2 External component identification
USB 3.x port
RJ-45 (network) jack/status lights
Docking connector
SIM card slot
Power connector
Security cable slot
Vents (2)
External monitor port
USB 3.x charging port
Smart card reader
Description
Press in on the card, and then remove it from the memory
▲
card reader.
Connects a USB device, such as a cell phone, camera, activity
tracker, or smartwatch, and provides data transfer.
Connects a network cable.
● Green (left): The network is connected.
● Amber (right): Activity is occurring on the network.
Connects an optional docking device.
Supports a wireless subscriber identity module (SIM) card.
Connects an AC adapter.
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.
Enable 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.
When the computer is on, connects and charges a USB device,
such as a cell phone, camera, activity tracker, or smartwatch,
and provides high-speed data transfer.
Supports optional smart cards.