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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
Item Component Function
(1) Optical drive Reads optical discs, and, on select models, also writes to
optical discs.
(2) USB ports Connect optional USB devices.
(3) RJ-11 (modem) jack Connects a modem cable.
(4) Power connector Connects an AC adapter.
14 Chapter 2 External component identification