HP ProBook 4545s Notebook PC Maintenance and Service Guide

Right
Component Description
(1)
USB 2.0 ports (2) Connect optional USB devices.
(2) Optical drive (select models only) Reads to an optical disc.
NOTE: On select models, the optical drive also writes to
an optical disc.
(3) Optical drive light (select models only)
On: The optical drive is being accessed.
Off: The optical drive is idle.
(4) Optical drive eject button (select models
only)
Releases the optical drive disc tray.
12 Chapter 2 External Component Identification