External component identification
Maintenance and Service Guide 2–7
Rear component
Right-side components
Component Function
Vent Enables airflow to cool internal components.
✎
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.
Item Component Function
1
Optical drive Reads optical discs and, on select models, also writes to optical discs.
2
Optical drive light Blinking: The optical drive is being accessed.
3
USB ports (2) Connect optional USB devices.
4
TV antenna/cable jack (select models
only)
Connects a TV antenna, a digital cable device, or a satellite device that
receives standard or high-definition TV broadcasts.
5
RJ-11 (modem) jack (select models
only)
Connects a modem cable.
6
Security cable slot Attaches an optional security cable to the computer.
✎
The security cable is designed to act as a deterrent, but it may not
prevent the computer from being mishandled or stolen.
7
AC adapter light ■ On: The computer is connected to external power.
■ Off: The computer is not connected to external power.
8
Power connector Connects an AC adapter.
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