HP Compaq Presario,Presario C300 Maintenance And Service Manual page 110

Removal and Replacement Procedures
3. Make note of which antenna cable is attached to which
antenna clip on the Mini Card module, and then disconnect
the auxiliary and main antenna cables 1 from the Mini
Card module.
4. Remove the two Phillips PM2.0×4.0 screws 2 that secure the
Mini Card module to the computer.
5. Remove the Mini Card module by pulling the module away
from the socket at an angle 3.
✎
Mini Card modules are designed with a notch 4 to prevent
incorrect installation into the Mini Card module socket.
Removing a Mini Card Module
Reverse the above procedure to install a Mini Card module.
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