Have you ever tried to hang a heavy picture frame or mount a flat-screen TV, only to find that your stud finder doesn’t seem to work? It beeps randomly, shows inconsistent readings, or just plain ...

Stud finders are among those tools you need to properly hang wall art, mirrors, or any item too heavy to use just anchors or nails directly into drywall. Simpler stud finders use magnets to identify ...

Q. I need to install shelves in various rooms. I was given a stud finder to help determine the best places to hang the shelves. For the life of me, I can’t figure out how to use it! Any advice? A.