Right – HP ProBook 645 G1 Notebook PC User Manual
Page 21

Right
NOTE:
Your computer may look slightly different from the illustration in this section.
Component
Description
(1)
Audio-out (headphone) jack/Audio-in
(microphone) jack
Produces sound when connected to optional powered
stereo speakers, headphones, earbuds, a headset, or
television audio. Also connects an optional headset
microphone.
WARNING!
To reduce the risk of personal injury, adjust
the volume before putting on headphones, earbuds, or a
headset. For additional safety information, see the
Regulatory, Safety, and Environmental Notices. To access
the user guides, select the HP Support Assistant app on
the Start screen, select My computer, and then select
User guides.
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).
(2)
USB 3.0 ports (2)
Connect optional USB 3.0 devices and provide enhanced
USB power performance.
NOTE:
For details about different types of USB ports, see
(3)
Dual-Mode DisplayPort
Connects an optional digital display device, such as a high-
performance monitor or projector.
(4)
External monitor port
Connects an external VGA monitor or projector.
(5)
Vents (2)
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.
(6)
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.
Right
11