HP ProBook 650 Maintenance and Service Guide - Page 18

Left, identification

Page 18 highlights

Left NOTE: Refer to the illustration that most closely matches your computer. Component (1) Security cable slot (2) Vent (3) Optical drive (select products only) (4) Optical drive light (5) Optical drive eject button (6) Smart card reader Description 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. Enables airflow to cool internal components. NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and off during routine operation. Depending on your computer model, reads an optical disc or reads and writes to an optical disc. Green: The optical drive is in use. Off: The optical drive is off. Releases the optical drive disc tray. Supports optional smart cards. 8 Chapter 2 External component identification

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Left
NOTE:
Refer to the illustration that most closely matches your computer.
Component
Description
(1)
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.
(2)
Vent
Enables
airflow
to cool internal components.
NOTE:
The computer fan starts up automatically to cool
internal components and prevent overheating. It is normal for
the internal fan to cycle on and
off
during routine operation.
(3)
Optical drive (select products only)
Depending on your computer model, reads an optical disc or
reads and writes to an optical disc.
(4)
Optical drive light
Green: The optical drive is in use.
Off:
The optical drive is
off.
(5)
Optical drive eject button
Releases the optical drive disc tray.
(6)
Smart card reader
Supports optional smart cards.
8
Chapter 2
External component
identification