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About Your Computer 33
LEFT SPEAKER — To adjust the volume of the integrated speaker, press the volume
control buttons or the mute button.
MEMORY MODULE/COIN-CELL BATTERY COMPARTMENT — Compartment that
contains the DIMM B memory module and the coin-cell battery. For additional
information, see "Adding and Replacing Parts" on page 139.
CONSUMER IR — Lets you transfer files from your computer to another infrared-
compatible device without using cable connections. When you receive your computer,
the sensor is disabled. You can use the system setup program (see "Using the System
Setup Program" on page 189) to enable the sensor. For information on transferring data,
see Windows Help and Support (click Start , and then click Help and Support) or
the documentation that came with your infrared-compatible device.
RIGHT SPEAKER — To adjust the volume of the integrated speaker, press the volume
control buttons or the mute button.
WIRELESS MINI CARD COMPARTMENT — Compartment for WLAN, WWAN, or
WPAN Mini Cards (see "Wireless Mini Cards" on page 155).
BATTERY — When a battery is installed, you can use the computer without connecting
the computer to an electrical outlet (see "Using a Battery" on page 49).
BATTERY CHARGE/HEALTH GAUGE — Provides information on the battery charge (see
"Checking the Battery Charge" on page 50).
BATTERY-BAY LATCH RELEASES — Releases the battery (see "Replacing the Battery"
on page 54 for instructions).
FAN — The computer uses a fan to create airflow through the vents, which prevents the
computer from overheating. The computer turns the fan on when the computer gets hot.
Fan noise is normal and does not indicate a problem with the fan or the computer.
HARD DRIVE — Stores software and data.
7 battery charge/health gauge 8 battery-bay latch releases (2)
9 fan 10 hard drive