HP EliteBook 840 G2 Notebook PC HP EliteBook 740 G2 Notebook PC HP ZBook 14 G2 Mobile Workstation - Maintenance and Service Guide
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Item 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 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.
(3) External monitor port Connects an external VGA monitor projector.
(4) USB 3.0 charging (powered) port Connects an optional USB device, such as a keyboard, 
mouse, external drive, printer, scanner or USB hub. 
Standard USB ports will not charge all USB devices or will 
charge using a low current. Some USB devices require 
power and require you to use a powered port.
NOTE: USB charging ports can also charge select models 
of cell phones and MP3 players, even when the computer 
is off.
(5) USB 3.0 port Connects an optional USB device, such as a keyboard, 
mouse, external drive, printer, scanner or USB hub.
(6) Smart card reader Supports optional smart cards.
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