Lynnmor wrote:
Make your best guess as to where the studs are using a stud finder. Drill a tiny hole and insert a bent paper clip and probe side to side to see if you are in a stud or if there is one nearby. If it is a no go, fill the tiny hole and try again.
They use steel plate backers, try using a magnet and looking for the plate in the area you would mount a TV. They are not always where you would think, I had one at 90 angle to the couch. I have found inspection scopes to be a handy tool for "looking inside."
Scope