HP mt20 Maintenance And Service Manual page 50

5. Remove the 6 Torx T8 2.5×5.0 screws that secure the top cover to the computer.
6. Disconnect the following cables from the system board:
(1) Speaker cable
(2) Function board cable
(3) Power button board cable
(4) Touchpad board cable
40 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts