HP EliteBook 840 G4 Notebook PC HP EliteBook 848 G4 Notebook PC Maintenance and Service Guide

Component Description
NOTE: When a device is connected to the jack, the computer
speakers are disabled.
(5) USB 3.x port Connects a USB device, such as a cell phone, camera, activity
tracker, or smartwatch, and provides data transfer.
(6) RJ-45 (network) jack/status lights Connects a network cable.
Green (left): The network is connected.
Amber (right): Activity is occurring on the network.
(7) Docking connector Connects an optional docking device.
(8) SIM card slot Supports a wireless subscriber identity module (SIM) card.
(9) Power connector Connects an AC adapter.
Left
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) Vents (2) Enable airow 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 o during routine operation.
(3) External monitor port Connects an external VGA monitor or projector.
(4) USB 3.x charging port 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.
(5) Smart card reader Supports optional smart cards.
Left 7