Beckie G Portland , OR July 22, 2014 Appliance: LG Microwave Oven LMV1680WW Lg Microwave/Hood Combo Lmv1680ww: Lg microwave door cracked in several places. How to replace Door Frame - White. My son-in-law put the new door on. We had called LG and they said that it was out of warrenty and too bad. They didn't tell us we could order a new door. (My husband found you online.) We looked online for a how to video and it was installed in less than 1/2 hour. It looks like new! 7 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes