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Item Component Function
(1) Battery bay Holds the battery.
(2) Docking connector Connects an optional docking device.
(3) Vents (5) Enable airflow to cool internal components.
CAUTION: To prevent overheating, do not obstruct vents.
Use the computer only on a hard, flat surface. Do not allow
another hard surface, such as an adjoining optional printer, or
a soft surface, such as pillows or thick rugs or clothing, to
block airflow.
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.
(4) Accessory battery connector Connects an optional accessory battery.
(5) Memory module compartment Contains the expansion memory module slot.
(6) Hard drive bay Holds the hard drive.
(7) WWAN module compartment Contains a WWAN module (select models only).
CAUTION: To prevent an unresponsive system and the
display of a warning message, replace the device with only a
WLAN module authorized for use in the computer by the
governmental agency that regulates wireless devices in your
country. If you replace the device and then receive a warning
message, remove the device to restore computer functionality,
and then contact technical support through Help and Support.
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