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Item Component Description
(1) Battery bay Holds the battery.
(2) Vents (4) 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.
(3) Battery release latch Releases the battery from the battery bay.
(4) Memory module/wireless module
compartment cover
The memory module/wireless module compartment cover
provides access to the memory module compartment,
wireless module compartment, keyboard retention screw,
and optical drive bay.
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 customer support
through Help and Support.
(5) Hard drive compartment cover The hard drive compartment cover provides access to the
hard drive bay and the RTC battery.
14 Chapter 2 External component identification