What is wrong with this piece of junk

So …my Vizio will not turn off …and is now stuck on the logo screen ….t....this happened once before and I unplugged it …it must have been 3 to 5 days …plugged back in and viola fixed …. It's my bedroom tv so wasn't a big deal ….well now it is a big deal I want to watch my tv but all the other fixes that people have tried are not working …. I think I need to throw this out in the street ……HELP …..PLEASE !!!!!