Bottom
Item Component Description
(1) Battery cover release latch
and lock
Releases the battery cover over the battery bay.
(2) Battery bay Holds the battery.
(3) Memory module
compartment cover
Provides access to the keyboard screw, memory module slots, and optical drive screw.
(4) Vents (2) 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) Service cover Provides access to the hard drive bay and the WLAN module slotslot.
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.
12 Chapter 2 External component identification
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