HP Pavilion 15 Maintenance And Service Manual page 62

6. Swing the display left hinge (4) up and back.
7. Lift the left side of the system board (1) until it rests at an angle.
8. Remove the system board (2) by sliding it up and to the left at an angle.
Reverse this procedure to install the system board.
54 Chapter 5 Removal and replacement procedures