Well you keep saying the problem is pretty obvious, so what part failed?
You think that all it takes to do a diagnosis is to say "the light is broken." If the light in your room doesn't turn on you assume the light bulb is burned out. But maybe the switch is at fault? That's not likely in a bedroom, but in a car, thats 10000x more likely to be at fault.
And you keep arguing with princess about what she's saying. Let me put it this way. I'll believe her if she told me the sky was falling.