Left - HP EliteBook 840r G4 Maintenance And Service Manual

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Component
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USB 3.x SuperSpeed port
RJ-45 (network) jack/status lights
Docking connector
SIM card slot
Power connector
Security cable slot
Vent
External monitor port
USB 3.x SuperSpeed port with HP Sleep and
Charge
Smart card reader
Description
Connects a USB device, such as a cell phone, camera, activity
tracker, or smartwatch, and provides high-speed 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.
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 a USB device, provides high-speed data transfer, and
even when the computer is off, charges most products such as a
cell phone, camera, activity tracker, or smartwatch.
Supports optional smart cards.
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