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18 A Tour of Your Computer
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AC ADAPTER CONNECTOR — Attach an AC adapter to the computer.
The AC adapter converts AC power to the DC power required by the computer. You can connect the AC
adapter with your computer turned either on or off.
CAUTION: The AC adapter works with electrical outlets worldwide. However, power connectors and
power strips vary among countries. Using an incompatible cable or improperly connecting the cable to
the power strip or electrical outlet may cause fire or equipment damage.
NOTICE: When you disconnect the AC adapter cable from the computer, grasp the connector, not the
cable itself, and pull firmly but gently to avoid damaging the cable.
AIR VENTS — The computer uses an internal fan to create airflow through the vents, which prevents the
computer from overheating.
NOTE: The computer turns on the fan when the computer gets hot. Fan noise is normal and does not
indicate a problem with the fan or the computer.
CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store
your computer in a low-airflow environment, such as a closed briefcase, while it is running. Restricting
the airflow can damage the computer or cause a fire.