Knocking, using magnets, and flashlights are a few ways to help you locate a stud without a stud finder. However, even if you don’t have a stud finder handy, studs are still relatively easy to find. How to Find a Stud Without a Stud FinderKnocking, the tried-and-true methodDon’t knock it until you try it! I found a patched-up spot and went up vertically where I planned to hang, and confirmed there was a stud using a hammer and nail. These tips are for drywall hanging.