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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, the WLAN module slot, and the solid-state
drive 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 support through Help
and Support.
14 Chapter 2 External component identification
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