Bottom components
Item
Component
(1)
Battery bay
(2)
Battery release latch
(3)
Wireless module compartment
(4)
Vents (4)
(5)
Memory module compartment
(6)
Hard drive bay
16
Chapter 2 External component identification
Function
Holds the battery.
Releases the battery from the battery bay.
Contains a WLAN module slot.
NOTE:
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.
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.
Contains 2 memory module slots.
Holds the hard drive and the RTC battery.