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Chapter 2 External component identification
Component
Description
Service cover
Provides access to the hard drive bay, the WLAN module slot, the WWAN module slot,
and the memory module slots.
CAUTION:
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.
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.
Vents (2)
Enable airflow to cool internal components.
NOTE:
prevent overheating. It is normal for the internal fan to cycle on and off during routine
operation.
To prevent an unresponsive system, replace the wireless module only
The computer fan starts up automatically to cool internal components and
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