![](http://pdfasset.owneriq.net/b/9f/b9f99581-50c8-47a7-9fea-4a79ce86ec1a/b9f99581-50c8-47a7-9fea-4a79ce86ec1a-bgf.png)
Bottom components
Item Description Function
1 Battery bay Holds the battery.
2 Vents (6) Enable airflow 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 off during
routine operation.
3 Battery Release latch Releases the battery from the battery bay.
4 Primary Hard Drive bay Holds the primary hard drive, the memory module slots,
and the WLAN module (select models only).
CAUTION: To prevent an unresponsive system,
replace the wireless module with a wireless module
authorized for use 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.
Components 9