HP Compaq nx8220 Maintenance And Service Manual page 111

✎
If necessary, perform the following steps to remove the LED
board from the switch cover.
11. Turn the switch cover upside down.
12. Remove the six PM1.5×3.0 screws 1 that secure the
LED board to the switch cover.
13. Remove the LED board 2.
Removing the LED Board
Reverse the above procedure to install the switch cover and
LED board.
Maintenance and Service Guide
Removal and Replacement Procedures
5–25