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Bottom components
Item Component Function
(1)
Battery bay Holds the battery.
(2)
Battery release latch Releases the battery from the battery bay.
(3)
Wireless module compartment Contains a WLAN module slot.
NOTE: 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.
(4)
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.
(5)
Memory module compartment Contains 2 memory module slots.
(6)
Hard drive bay Holds the hard drive and the RTC battery.
16 Chapter 2 External component identification