HP EliteBook 820 G2 Maintenance And Service Manual page 96

5. Remove the three Philllips PM2.0×3.0 screws (2) that secure the system board to the top cover.
6. Lift up on the right side of the system board (1) until it rests at an angle.
7. Remove the system board (2) by sliding it up and to the right at an angle.
Reverse this procedure to install the system board.
88 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts