User Guide - Windows 7

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Component Description
(1) Service door Provides access to the wireless LAN (WLAN) module slot,
the WWAN module slot, and the SIM card 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. To access Help and
Support, select Start > Help and Support.
(2) Battery lock latch Locks the battery in the battery bay.
(3) Battery bay Holds the battery.
(4) Battery release latch Releases the battery.
(5) Vents (3) 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.
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