how to fix a door that won't lock
2. Shut the door and try to lock it. If it won't lock open the door. Tap the end of a chisel under the door stop on the striker side of the jamb. Pry up on it until it comes loose and remove it. Use the chisel to remove the door stop on top as well.lace the door stop back on the jamb. Set it back 1/4 inch from it's original location. You should see a distinct line in the paint, stain or varnish where it came off. Use this to align the door stop. Nail the side and top piece of door stop back on. The door should now shut and lock normally.