Right - HP ProBook 450 G1 Maintenance And Service Manual

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14 Chapter 2 External component identification
Audio-out (headphone) jack
Audio-in (microphone) jack
USB 2.0 ports (2)
Optical drive (select models only)
Optical drive eject button (select models only)
Security cable slot
Description
Produces sound when connected to optional powered stereo
speakers, headphones, earbuds, a headset, or television audio.
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 in
Windows 8, 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.
Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.
Connect optional USB devices.
Reads and writes (select models only) to an optical disc.
Releases the optical drive disc tray.
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.