HP Compaq CQ58 Maintenance And Service Manual page 22

Component
(4)
(5)
14 Chapter 2 External component identification
Wireless and memory module
compartment
Hard drive bay
Description
Contains the wireless and memory modules.
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 support through Help and Support.
Contains the hard drive.
ENWW