If that doesn t solve the problem try this trick.
How to fix door lock on room door.
Remove the old lock.
Door lock doesn t latch properly when a door latch doesn t click into position it usually means the latch and the strike plate are out of alignment.
After squeezing the powder in use your key a few times in the door to get the lubricant spread to the components.
If you break off a screw head or strip it use an inexpensive device called a screw extractor to remove it.
Shut the door and try to lock it.
If it won t lock open the door.
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Electronic smart lever lock locksis keyless digital door lock smart door lock duration.
Repairs range from making minor latch adjustments to repositioning the door.
This serves as a great lubricant for locks.
If the malfunctioning lock is in the door handle there will be at least two screws securing the door handle to the door.
Tighten the screws that go into the door and the screws that go into the door frame.
Tighten any that might be loose and then check the door again.
Tighten the hinges first if you find that the latch contacts the strike plate too high or too low make sure all the door s hinge screws are tight.
Loosen the knobs a little to relieve some of the pressure on the door and to free up the latch a little.
Locate the screws holding the lock in place on the inside of the door.
Remove these screws unscrew one side of the door knob and pull the door handle and lock assembly out of the door.
If not there is more to look for.
Slide the latch in and out to see if it moves smoothly and if not the door knob may be too tight.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
That s the small rectangular brass plate on the jamb that the striker slips into.
A sticky lock can be annoying.
How to fix a door that will not lock.
Try using some graphite powder in the lock.
Examine the striker plate.
If it latches securely the problem is solved.
The striker plate is.
Remove one of the screws on the jamb side of the hinge and drive in a 3 in.