Ong Y Menasha , WI March 23, 2015 Appliance: LG Microwave Oven LMVM1935SBQ Lg Microwave/Hood Combo Lmvm1935sbq: The touch key its not work. How to replace Key Membrane Touch Pad. It's good. save my $300 for a new one. thank you for your part. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes