HP Pavilion dv4200 Maintenance And Service Manual page 184

Removal and Replacement Procedures
4. Turn the system board top-side up with the audio jacks,
USB ports, and external monitor port toward you.
5. Disengage the hooks 1 on the PC Card assembly from the
slots on the PC Card connector 2 and remove the PC Card
assembly from the system board.
Removing the PC Card Assembly
Reverse the above procedure to install the PC Card assembly.
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