HP ZBook 15 G3 Mobile Workstation - Maintenance and Service Guide
Right
Component Description
(1)   Smart card reader Supports optional smart cards.
(2) Audio-out (headphone)/Audio-in (microphone) 
combo jack
Connects optional powered stereo speakers, headphones, 
earbuds, a headset, or a television audio cable. Also connects an 
optional headset microphone. This jack does not support 
optional microphone-only devices.
WARNING! To reduce the risk of personal injury, adjust the 
volume before putting on headphones, earbuds, or a headset. 
For additional safety information, refer to the Regulatory, 
Safety, and Environmental Notices.
To access this guide in Windows 10:
1. Type support in the taskbar search box, and then select 
the HP Support Assistant app.
‒ or –
Click the question mark icon in the taskbar.
2. Select My PC, select the Specications tab, and then 
select User Guides.
To access the user guides in Windows 7, select Start > All 
Programs > HP Help and Support > HP Documentation.
NOTE: When a device is connected to the jack, the computer 
speakers are disabled.
NOTE: Be sure that the device cable has a 4-conductor 
connector that supports both audio-out (headphone) and 
audio-in (microphone).
(3) USB 3.0 ports Connect optional USB devices, such as a keyboard, mouse, 
external drive, printer, scanner or USB hub.
(4) HDMI port Connects an optional video or audio device, such as a high-
denition television, any compatible digital or audio 
component, or a high-speed High Denition Multimedia 
Interface (HDMI) device.
(5) USB Type-C (Thunderbolt–3–enabled) ports Connect any USB device with a Type-C connector.
NOTE: USB Type-C ports charge products such as cell phones, 
laptops, tablets, and MP3 players, even when the computer is 
o. Also, some USB Type-C ports connect DisplayPort, VGA, 
HDMI, Thunderbolt and other video devices to provide video 
output.
NOTE: Adapters (purchased separately) may be required.
14 Chapter 2 External component identication










