John L Woburn , MA November 24, 2019 Touch screen buttons not working Removed upper back panel and 2 white screws on the front side. Raised control panel up high enough to remove 4 nuts and 3 wire connectors off. Removed cable ribbon and swapped the old part for new. Reinstalled in reverse order. Works like new again all the buttons are usable again! Read More... Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes Tools: Nut Drivers, Screwdrivers