HP Pavilion DV6-1378 Maintenance And Service Manual page 174

Removal and Replacement Procedures
4. Remove the four Phillips PM2.5×5.0 screws 1 that secure the
ExpressCard assembly to the system board.
5. Slide the ExpressCard assembly 2 to the right to disconnect
it from the system board.
6. Remove the ExpressCard assembly 3.
Removing the ExpressCard Assembly
Reverse the above procedure to install the ExpressCard assembly.
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