No Power Plug Near Garage Door Opener

My garage door opener will not work.
No power plug near garage door opener. The outlet has power. While this may seem like a no brainer one of the most common causes of garage door opener failure is simply the result of the power cord working loose from the electrical outlet. No gfci on outlet. Plug the garage door opener into the outlet and test it.
Suddenly on my liftmaster garage opener the power from the big square button on the wall to open the garage isnt working. The main circuit breaker is flipped on. Ladder stud finder pencil drywall saw hammer. Look for horsepower hp ratings to compare the lifting power between garage door opener models.
No light on that button either now so somehow it must have lost power. Man was that nice i knew it would come in handy sometime. The unit is over 2 years old. Despite all this the electric garage door opener stopped working no power green light not lit read more.
The remote control pad opener outside the garage still works. Ratings ranging from 1 2 horsepower to 1 1 2 horsepower are typical for residential models. It will not open the garage door because the unit is not turning on.