Yes, I assume not getting power. Started in the "run' mod so everything should've been powered on. Avionics master is on as well as every other switch. Is there a dimmer switch on the 430 that im missing? maybe its something as simple as turning brightness up, but I doubt it. I removed x-plane 10 off of my pc after I installed x-plane 11, but wouldn't think that's causing an issue either?