whirlpool control panel

I have a whirlpool washer and dryer the touch screen buttons, are very touchy, sometimes they work sometimes they won’t . it takes a great deal of fiddling and playing with the touch screen before I can actually use it, is only 2 years old what could cause this . What could be causing this problem. Service repair declared it a total loss, however my warranty is no longer valid so will fix myself. the washer model number is WFW72HEDWO CAN YOU HELP: c:confused: