I had developed same expanding brown spot problem with FEBFOXs projector unit. It was on sale and checked most of the boxes off on my list. So I contacted Febfox direct and they sent me a new unit in about a day or two. They asked me to send the burned one to them for quality inspection on their dime. Don’t know about next time. But it’s a lot easier fix than my 4 and counting LCD TV’s that blacked out. Those are too big to ship out easily or bring to repair shop. Must order the part and then have repairman make a house call. It cost almost as much as new tv or monitor. So the projector is a great option. So happy! And relieved to find a fix in case future brown darkens the screen again.