Turn The Lock Door
Pull the key out of the keyhole.
Turn the lock door. The lock is set from inside the door. If you turn the key far enough the door should lock. Twisting the portruding tab on the knob will lock the door. To remove the key turn it counter clockwise back to the position at which you slid it in but no further.
The doorknob on the interior side would turn and open the door whether the knob was locked or unlocked. Doors with a twisted tab lock are still easy to get past even if that tab is set to lock these locks appear on the handle of a door when either facing laterally or vertically the door will be locked or unlocked. Try to turn the doorknob and push the door open. That can cause the pins to get stuck in a partially raised position and prevent the plug from turning.
If it won t lock open the door. Once the hanger is in position hold it with one hand and grab the doorknob with other applying some turning force in the direction the knob would turn if it were unlocked. Pry up on it until it comes loose and remove it. However the two sides of a lock assembly are a mirror image of one another and any lock can be installed with the keyhole facing either direction.
You can spray a little dry lubricant in the lock to free up the plug. If that is the problem it is easy to fix. If you place your key into your door lock cylinder and turn it you should be able to lock or unlock your door. My family has always had the sort of knobs that won t turn at all when the door is locked and has grown accustomed to interpreting a turning doorknob as one that will not lock behind them.
Gobrico flat ball door knobs locksets for bed bathroom with thumb turn lock inside no key black 10pack 4 3 out of 5 stars 60 119 69 119. However if you insert the key and the entire lock cylinder turns it is a sign that you have a bigger door lock problem at hand that needs to be addressed. Out of all the door lock problems that have been discussed this is probably. When installing a door lock the keyhole should be positioned on the outside of the door so you can unlock the door with a key from the outside.
Pull the hanger toward. Spray the lock with lubricant to remove dirt and dust.