My friends microwave isn't working? My friends microwave isn't working, she hasn't had it dreadfully long. What...

My friends microwave isn't working, she hasn't had it dreadfully long. What could possibly be wrong with it?
I merely painted my weights near primer and...
Answers:    Could enjoy tripped its breaker. If it's getting power, it might be a bad door switch or something else internal which will require a professional.
What is this piece of brass that I...
Think more or less what you did to it. Plus if it doesn't work, go to work shop near it. Lol