Zoom, DISP & SET controls not working

I too have the exact same problem, and an online search turns up others with similar Casio Exilim models, with the same problem. It involves a malfunctioning Disp, Zoom, and non-functioning Set button, with all other functions working OK. Casio Support seems to recognize the problem, and indicates it has to be fixed at one of their authorized repair centers. Start with their online system: https://www.ecasiorepair.com/