HP Presario CQ45-300 Compaq Presario CQ45 Notebook PC - Maintenance and Servic - Page 24

Rear component, Right-side components

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Rear component Component Vent Description 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. Right-side components NOTE: Your computer may look slightly different from the illustration in this section. Component (1) Optical drive light (2) Optical drive (3) USB ports (2) (4) RJ-11 (modem) jack (select models only) (5) Power connector Description Blinking: The optical drive is being accessed. Reads optical discs and, on select models, also writes to optical discs. Connect optional USB devices. Connects a modem cable. Connects an AC adapter. 16 Chapter 2 External component identification

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Rear component
Component
Description
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.
Right-side components
NOTE:
Your computer may look slightly different from the illustration in this section.
Component
Description
(1)
Optical drive light
Blinking: The optical drive is being accessed.
(2)
Optical drive
Reads optical discs and, on select models, also writes to optical
discs.
(3)
USB ports (2)
Connect optional USB devices.
(4)
RJ-11 (modem) jack (select models only)
Connects a modem cable.
(5)
Power connector
Connects an AC adapter.
16
Chapter 2
External component identification