Manual

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Component Description
(1) Service door 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.
(2) Service door release screws Releases the service door.
(3) Vents Enable airow 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 o during routine
operation.
(4) Spill drain Allows spilled liquids, such as sodas or coee, to drain out
of the computer.
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