Bottom Components - HP Compaq Presario,Presario CQ42-121 Maintenance And Service Manual

Bottom components

Component
(1)
(2)
(3)
(4)
(5)
ENWW
Battery bay
Battery release latch
Vents (4)
Memory module compartment
Hard drive bay
Description
Holds the battery.
Releases the battery from the battery bay.
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 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.
Holds the hard drive.
Bottom components 21