There is a small hole in the collar and two smaller holes on each knob. Pushing small sharp objects in the hole in the collar doesn't release anything. Ditto the holes on the knob. I'd appreciate any guidance about how to remove the knobs so I can tighten the assembly or replace.
VIDEO: How to Remove a Doorknob with No Visible Screws Many door handles have visible screws on the trim plate on one side of the door. Simply unscrew these screws, unscrew the latch from the door edge, and remove all the pieces.
Begin by removing the screws from the door knob on the interior side of your door. This allows you to pull the door knobs off the door from both sides. Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
Grab a Screwdriver. To remove a doorknob, the only tool you will need is a Phillips screwdriver (the one with four ridges that come to a point like a pyramid). Start by removing the two screws that hold one side of the old knob into place. For some knobs you will need to remove screws from the other side, too.
Pretty easy, especially compared to changing a screen door. In the event your doorknob has hidden screws, follow Hunker.com's instructions: Look at the inner doorknob's "neck" to find the slot or hole that lies between the back of the knob and the door itself.
High-end door knobs and lock sets use a unique installation style that hides mounting screws from view. When you first look at this style of door knob, it appears as if it cannot be removed from