Go to the store and purchase a new lock.
How to change lock on an original door.
Remove the strike plate on the door jamb as well.
How to rekey a lock without the original key.
Rekeying involves realigning the pins and springs in the inner workings of the lock in.
Remove the screws from the old lock on the inside of the door.
You will want to find one that is keyed on only.
You have a few options and maybe if the locks on the door are over 10 years old it might be a good time to think about updating and replacing the whole lock set.
To know more about how this is done you have to know that the process can be different for different locks and types of locking mechanisms when it.
If your new lock is the same brand and model as the old one you may be able to keep your existing latch plate and strike plate.
Replacing a knob lock.
Purchase a kit labelled for your lock s brand.
Remove the two visible bolts in the turn assembly plate and then remove the turn plate.
Insert the new bolt into the opening on the edge of the door and fasten it to the door with the provided screws.
If the deadbolt comes with an interior plate and a decorative.
Remove the old lock.
However if the locks are in good condition and they are relatively new you can probably just change the pins and get new keys.
How to change door locks method 1 of 3.
Remove the old deadbolt.
How to change a lock step 1.
Remove the latch assembly doorknob.
Insert the exterior part of the lock into the door by feeding the long metal piece through the opening in the center of.
In apartment complexes this is now the most common way of changing locks on a door.
There are re keying kits that contain all.