HP ProBook 6550b Maintenance And Service Manual page 98

6. Lift the rear edge of the keyboard (2), and then swing it up and forward until it rests upside down
on the palm rest.
7. Release the zero insertion force (ZIF) connector to which the pointing stick cable (1) is attached,
and then disconnect the pointing stick cable from the system board.
8. Release the ZIF connector to which the keyboard cable (2) is attached, and then disconnect the
keyboard cable from the system board.
9. Remove the keyboard.
Reverse this procedure to install the keyboard.
90 Chapter 4 Removal and replacement procedures