HP (Hewlett-Packard) DV4 Laptop User Manual


 
2–10 Maintenance and Service Guide
External component identification
Bottom components
Item Component Description
1 Battery bay Holds the battery.
2 Battery Release latch Releases the battery from the battery bay.
3 Mini Card compartment Contains the RTC battery.
4 Memory Module compartment Contains the two memory module slots.
5 SmartBay Release latch Releases the SmartBay module.
6 Vents (3) Enables airflow to cool internal components.
The computer fan starts automatically to cool internal components and
prevent overheating. It is normal for the internal fan to cycle on and off
during routine operation.
7 Hard Drive bay Holds the hard drive and the wireless LAN (WLAN) device.
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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.