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Bottom components
Component
(1)
Battery bay
(2)
Battery release latch
(3)
Hard drive bay
(4)
Memory module and WLAN module
compartment
(5)
Vents (3)
Description
Holds the battery.
Releases the battery from the battery bay.
Holds the hard drive.
Contains the memory module slots and the WLAN (wireless local
area network) module slot.
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.
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.
Bottom components
9
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