Right - HP ProBook 4540s Maintenance And Service Manual

Right

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