If the knob has a recessed setscrew turn the setscrew counterclockwise with a correctly sized hex head wrench until the door knob slides from the.
Remove door lock no slot.
Remove the door knobs.
These screws hold the entire knob and latch assembly together.
The next step will be unscrewing the face plate which will be accessible once the door knobs are unscrewed.
How to take off a door knob with no screws.
You should see a tiny slot or hole.
When the doorknob is unscrewed you can easily remove both the interior and exterior locks.
Apply a bit of pressure to the paper clip to trigger a release button inside the hardware.
Grab a ruler or tape measurer and find the distance from the center of the hole where the knob was and the edge of the door frame.
Once triggered the lever or lock trim can be removed from the door.
Now it is time to remove the internal screws and take off the remaining pieces.
Locate the hole underneath the doorknob shaft.
After unscrewing the screws removing the doorknob should be easy.
Straighten a paper clip and insert it into the hole.
Push the tip of a narrow screwdriver into the hole.
Use a phillips screwdriver to remove the screws that run from one backing plate to its opposite through the bore hole.
Tug on the knob and it will slide right off.