Step 6: Make a deadbolt and strike plate alignment For certain reasons, the door strike plate may shift a little and block its deadbolt from sliding into the keyhole to lock your door. That is when you need to reposition this strike plate to the deadbolt latch’s level. Target the strike...
Now unscrew the bolts on the inside of your door. They should be on the latch and what holds the lock cylinder assembly in place. You'll have to unscrew screws keeping the deadbolt face in place on the door's edge too. Next remove the old deadbolt and lock cylinder. After that's don...