External component identification 2–9
Bottom components
Item Component Function
1
Vents (3) Enables 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.
2
Hard drive bay Holds the hard drive and two memory module slots.
3
Battery bay Holds the battery.
4
Battery release latch Releases the battery from the battery bay.
5
Wireless module compartment Contains a WLAN module slot.
Ä
To prevent an unresponsive system, use only a wireless module
authorized for use in the computer by the governmental agency that
regulates wireless devices in your country or region. If you install the
module and then receive a warning message, remove the module to
restore computer functionality, and then contact technical support
through Help and Support.
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