HP Pavilion 15 Maintenance And Service Manual page 82

5. Carefully remove from the power connector (3). Remove the system board by sliding it up and to the
right at an angle and pull the system board (4) carefully to the right.
6. Remove the hard drive connector cable:
a. Turn the system board upside down, with the front toward you.
72 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts