30 About Your Computer
BATTERY When a battery is installed, you can use the computer without
connecting the computer to an electrical outlet. For more information, see "Using a
Battery" on page53.
HARD DRIVE Stores software and data. For more information, see "Hard Drive" on
page92 and "Hard drive problems" on page 120.
MODEM/MEMORY MODULE COVER Covers the compartment that contains the
modem and the memory modules. For more information, see "Modem" on page98
and "Memory" on page95.
FAN The computer uses a fan to create airflow through the vents, which prevents
the computer from overheating.
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