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.
12 Chapter 2 External component identification ENWW