HP ProBook 4435s Notebook-PC - Manual (Page 21)

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Component Description
(1) USB 2.0 ports (2) Connect optional USB devices.
(2) RJ-11 (modem) jack (select models only) Connects a modem cable.
(3) Optical drive (select models only) Reads and writes (select models only) to an optical disc.
(4) Optical drive light Lights when the optical drive is active.
(5) Optical drive eject button Releases the optical drive disc tray.
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