HP ProBook 455 G1 Notebook PC - Manual (Page 21)

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Component Description
(1) Audio-out (headphone) jack 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, 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.
(2) Audio-in (microphone) jack Connects an optional computer headset microphone,
stereo array microphone, or monaural microphone.
(3) USB 2.0 port Connects an optional USB device.
(4) Optical drive (select models only) Reads and writes (select models only) to an optical disc.
(5) Optical drive eject button (select models
only)
Releases the optical drive disc tray.
(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.
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