Place the lamp horizontally on a work surface

Unscrew the two screws above the control panel that hold the upper and lower parts of the lamp together

Slide up the control panel to remove

Unscrew the two screws that hold the power board in place

Use a soldering iron to gently melt the two plastic studs that hold the touch sensor circuit board in place

Remove the touch sensor button. It's not really an electrical or mechanical button; it's just decorative.

Install a small fender washer, machine screw and nut. Drill a small hole in the center of the control panel where the touch sensor button is placed.

Drill out the bottom plastic stud for the touch sensor circuit board mount.