Desolder the solder joints connecting the grounding cable to the display circuit board.

Remove glue from the ribbon cables with your fingers. Grasp and pull the glue to remove it from the circuit board.

Desolder the solder joints connecting the three ribbon cables to the back of the display circuit board.

Desolder the solder joints connecting the two grounding cables to the back of the display circuit board.

Desolder the solder joints connecting the two grounding cables to the back of the main housing.