External component identification 2–9
Bottom components
Item Component Function
1
Battery bay Holds the battery.
2
Battery release latch Releases the battery from the battery bay.
3
Vents (11) Enable airflow to cool internal components.
✎
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
Hard drive bay Holds 1 or 2 hard drives (depending on the model), the TV tuner module
(select models only), and the 2 memory module slots.
5
WLAN module compartment Holds the WLAN module.
Ä
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
technical support through Help and Support.
6
Subwoofer Contains the subwoofer speaker.
