HP Compaq nc6220 Maintenance And Service Manual page 98

Removal and Replacement Procedures
8. Release the zero insertion force (ZIF) connector 1 to which
the keyboard cable is connected and disconnect the keyboard
cable 2 from the system board.
9. Release the ZIF connector 3 to which the pointing stick
cable is connected and disconnect the pointing stick cable 4
from the system board.
Disconnecting the Keyboard and Pointing Stick Cables
10. Remove the keyboard.
Reverse the above procedure to install the keyboard.
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