How do I remove an interior door knob that has no screws?
On what would be considered the inside of the door there should either be a tab about 1/4″ long on the side of the shaft , a small hole just larger than paper clip diameter on the shaft or a little metal clip on the plate that rests against the door. Any one of these hides the key to getting the knob off. Depress which ever one you have and the knob or plate should pull off revealing the screws that hold the lockset to the door. If the handle is what comes off, you may need to unscrew the plate against the door to reveal the screws. From there it is unmistakable how it comes apart. Remove the screws and everything falls apart. Good Luck!