I'm going to assume that this is a small round hole in the center of the knob.

How to unlock door with only a hole. All you need to do is push your screwdriver. In case of a door handle with a hole, you can use a knife or a plastic card. With just an eyeglass screwdriver, you can easily push the unlock button on the inside.

This will free the door knob from its lock. Your next step is to push the door harder. This is designed as an emergency way to open interior doors with locks such as a bathroom or.

If the door has trim on it, you may have to remove the trim in order to. Take plastic and insert it into the gap between the door and doorframe. It has to go in between one of the holes for this to work.

With the screwdriver in the lock, slowly rotate it until you feel it. The fastest, easiest way to unlock a door is a key. Apply great force on the door, using your hand, legs, and part of your body, if you would.

If you do not have it, there are other ways to unlock the door. Insert your plastic card into the gap above the doorknob at a slightly downward angle. Locks with a round hole in the knob on the opposite side of the locking mechanism usually lock by pushing a button.

The only problem is you have to have one to use it. Push the locked door harder: You can find the hole in the middle of the lock, something that you can instantly see.