HP ENVY Maintenance And Service Manual page 51

5. Release the ZIF connector (1) to which the TouchPad board cable is attached, and then disconnect
the TouchPad board cable from the system board.
6. Release the ZIF connector (2) to which the keyboard backlight cable is attached, and then disconnect
the keyboard backlight board cable from the system board.
7. Release the ZIF connector (3) to which the keyboard cable is attached, and then disconnect the keyboard
cable from the system board.
8. Disconnect the speaker cable (4) from the system board.
9. Remove the Phillips PM2.5×3.4 screw (1) that secures the system board to the keyboard/top cover.
10. Remove the Phillips PM2.5×4.4 screw (2) that secures the system board and the left I/O bracket to
the keyboard/top cover.
Component replacement procedures 41