HP Laptop User Manual page 24

Component
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14 Chapter 2 Getting to know your computer
Bottom cover release latch
Battery bay
Accessory battery connector
Vents (4)
Bluetooth compartment
Wireless and memory module
compartments and hard drive bay
Description
Releases or locks the bottom cover.
Holds the battery.
Connects an optional accessory 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.
Contains a Bluetooth device.
Holds the hard drive, the wireless LAN module slot, and
the memory module slots.
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.