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Bottom components
Component Description
(1) Battery bay Holds the battery.
(2)
Battery release latch Releases the battery from the battery bay.
(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)
Service door The service door provides access to the keyboard, optical
drive, hard drive bay, wireless compartment and memory
module compartment.
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 support through Help and Support. From the
Start screen, type h, and then select Help and Support.
14 Chapter 2 External component identification ENWW