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Bottom components
Component
(1)
(2)
(3)
(4)
(5)
Wireless antennas
At least two antennas send and receive signals from one or more wireless devices. These antennas
are not visible from the outside of the computer.
ENWW
Battery bay
Vents (5)
Battery release latch
Hard drive bay
Memory module compartment
Description
Holds the battery.
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.
Releases the battery from the battery bay.
Holds the hard drive.
Contains two memory module slots and, on select
models, the wireless LAN (WLAN) device.
CAUTION:
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.
Bottom components
13
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