If it won t lock open the door.
How to fix my bedroom door lock.
If that doesn t solve the problem try this trick.
How to fix a push button door knob that won t lock.
Remove one of the screws on the jamb side of the hinge and drive in a 3 in.
The striker plate is.
Loosen the knobs a little to relieve some of the pressure on the door and to free up the latch a little.
That s the small rectangular brass plate on the jamb that the striker slips into.
Slide the end of a small screwdriver into the hole in the shank.
Examine the striker plate.
Tap the end of a chisel under the door stop on.
The long screw will grab the wall framing and draw in the whole doorjamb slightly.
Inspect the shank of the doorknob for a small hole or indentation.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
Slide the latch in and out to see if it moves smoothly and if not the door knob may be too tight.
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.
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.
Chisel out only the area where the hinge will be seated try not to go deeper than you need to and try your best to keep the entire surface level.
Tug on the knob with the screwdriver still inserted in the hole.
Repairs range from making minor latch adjustments to repositioning the door.
How to fix a door that will not lock.
Step 3 align strike plate.
The knob should come right.