HP Pavilion dv9100 - Entertainment Notebook PC Maintenance And Service Manual page 146

Removal and Replacement Procedures
10. Release the ZIF connector 1 to which the keyboard cable is
connected and disconnect the keyboard cable 2 from the
system board.
Disconnecting the Keyboard Cable
11. Remove the keyboard.
Reverse the above procedure to install the keyboard.
5–30 Maintenance and Service Guide