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Bottom components
Item Component Description
(1) Battery bay Holds the battery.
(2) Integrated subwoofer Contains the subwoofer speaker.
(3) Vents (5) Enable airflow to cool internal components.
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.
(4) Hard drive, memory module, and WLAN
module compartment
Holds the hard drive, the memory module slots, and the
WLAN module (select models only).
CAUTION: To prevent an unresponsive system,
replace the wireless module only with a wireless module
authorized for use in the computer by the governmental
agency that regulates wireless devices in your country
or region. If you replace the module and then receive a
warning message, remove the module to restore
computer functionality, and then contact technical
support through Help and Support.
(5) Battery release latch Releases the battery from the battery bay.
16 Chapter 2 External component identification