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Rear components
Component Function
Vents (2) 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
Item Component Function
(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) TV antenna 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.
NOTE: The security cable is designed to act as a
deterrent, but it may not prevent the computer from
being mishandled or stolen.
(7) Power connector Connects an AC adapter.
14 Chapter 2 External component identification