Left-side components
Component Description
(1) Power connector Connects an AC adapter.
(2) RJ-11 (modem) jack Connects a modem cable.
(3) USB port Depending on your computer model, the USB port is either a
standard USB port or a powered USB port. A standard USB port
connects an optional USB device. A powered USB port provides
power to an external device if used with a powered USB cable.
(4) Vent Enables airflow to cool internal components.
CAUTION: To prevent overheating, do not obstruct vents. Use
the computer only on a hard, flat surface. Do not allow another hard
surface, such as an adjoining optional printer, or a soft surface,
such as pillows or thick rugs or clothing, to block airflow.
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.
(5) Optical drive (select models only) Reads an optical disc.
(6) Optical drive light Blinking: The optical drive is being accessed.
12 Chapter 2 Components ENWW
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