HP Nc2400 - Compaq Business Notebook Maintenance And Service Manual page 121

6. Release the zero insertion force (ZIF) connector 1 to which
the LED board cable is connected and disconnect the LED
board cable 2 from the LED board.
Removing the Switch Cover
7. Remove the switch cover.
Reverse the above procedure to install the switch cover.
Maintenance and Service Guide
Removal and Replacement Procedures
5–29