I just had to look up my video on how I fixed it. But.... If I put it in bulb mode I could get the menu button to work. Then I cleared all camera settings and it started working. May be worth replacing the watch batter inside the battery compartment ...
In case anyone is still looking and has this problem. I had no functioning buttons except top display light, pop up flash and shutter. I'm CA I could get into the menu but not in M, Tv, Av. Tried leaving the battery out, trying without CF card and no...
