Answer Hello Ron. There is no reset button on the microwave. If it's completely dead you'll need to replace the fuse p/n AP4440371. Unplug the microwave, remove the cover and test the fuse for continuity. It's on the top behind the control panel mounted on the small control board. If the fuse has no continuity, replace it. Be careful do not touch capacitor terminals before discharging it. Thank you. Read More... Answered by AppliancePartsPros.com | Friday, April 24, 2020