Chapter 2 Getting to know your computer
Service door release latch
Service door release lock
Provides access to the hard drive bay, the wireless LAN
(WLAN) module slot, the WWAN module slot, and the
memory module slots.
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.
Releases the service door on the computer.
Locks the service door.
Enable airflow to cool internal components.