Specifications

Bottom
Item Component Description
(1) Service cover Provides access to the hard drive bay, the WLAN module slot, the WWAN
module slot, and the memory module slots.
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.
(2) Service cover
release latch
Releases the service cover from the computer. A security screw is available to
prevent the service cover from being accidentally removed.
(3) 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.
16 Chapter 2 External component identification