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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 Description
(1) USB ports (2) Connect optional USB devices.
(2) Optical drive light Blinking: The optical drive is being accessed.
(3) Optical drive Reads optical discs and, on select models, also writes
to optical discs.
(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) Power connector Connects an AC adapter.
14 Chapter 2 External component identification