Removing An Interior Doorknob
No need to call in the pros for a faulty lockset
You don't need a locksmith to replace a faulty lockset on an interior door. It's a simple job anyone can tackle in less than 15 minutes. For many novice do-it-yourselfers, however, the most difficult part is the first step: removing the doorknob.
On most locksets, the mounting screws are concealed, so at first glance there doesn't seem to be a way to disassemble the knob. Here's the secret: Look closely at the shank of the interior doorknob and you'll see a tiny slot or hole. Push the tip of a narrow-blade screwdriver or nailset into the hole. Tug on the knob and it will slide right off. Then pry off the round decorative plate, called the rose, to expose the screws that hold the lockset onto the door.