HP ProOne 400 G1 Maintenance & Service Manual page 93

To remove the display panel:
1.
Prepare the computer for disassembly (see
2.
Remove the rear cover (see
3.
Remove the webcam (see
4.
Remove the bottom stand (see
5. Remove the front bezel (see
6. Remove the touch controller board as follows:
NOTE:
Replace the touch controller board that comes with the new display panel kit.
a. Disconnect the four cables from the board (1).
NOTE:
To avoid damaging the connector when disconnecting the cable, be sure to pull the
cable straight out of the connector at a vertical (90°) angle.
b. Remove the two black Torx screws (2) that secure the board to the computer.
c.
Remove the touch sensor board from the computer.
Preparing to disassemble the computer on page
Rear cover on page 34).
Webcam module on page
Bottom stand on page
Front bezel on page
48).
53).
55).
31).
Display panel
83