HP 6720s Maintenance And Service Manual page 84

Top cover (see
h.
System board (see
i.
Remove the ExpressCard assembly:
Turn the system board upside down, with the USB connectors toward you.
1.
Remove the two Phillips PM2.0×8.0 screws (1) and the two Phillips PM2.0×4.0 screws (2) that
2.
secure the ExpressCard assembly to the system board.
Turn the system board right-side up, with the USB connectors toward you.
3.
Remove the ExpressCard assembly from the system board.
4.
Reverse this procedure to install the ExpressCard assembly.
76 Chapter 4 Removal and replacement procedures
Top cover on page 56)
System board on page 62)