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22 A Tour of Your Computer
HARD DRIVE — Stores software and data. For more information, see "Hard Drive" on page 77 and "Hard drive
problems" on page 54.
MEMORY/MODEM COVER — Covers the compartment that contains the memory and modem. For more
information, see page 79.
FAN — The computer uses fans to create airflow through the vents, which prevents the computer from overheating.
OPTICAL DRIVE BAY —
You can install devices such as a DVD drive or other optical drive in the optical drive
bay. For more information, see "Optical Drive" on page 88.
BATTERY CHARGE GAUGE — Provides information on the battery charge. For more information, see "Using a
Battery" on page 27.