That s the small rectangular brass plate on the jamb that the striker slips into.
How to fix my bedroom door lock.
How to fix a door that will not lock.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
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.
The knob should come right.
Slide the latch in and out to see if it moves smoothly and if not the door knob may be too tight.
If that doesn t solve the problem try this trick.
Shut the door and try to lock it.
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.
Step 3 align strike plate.
Inspect the shank of the doorknob for a small hole or indentation.
Remove one of the screws on the jamb side of the hinge and drive in a 3 in.
How to fix a push button door knob that won t lock.
Slide the end of a small screwdriver into the hole in the shank.
Loosen the knobs a little to relieve some of the pressure on the door and to free up the latch a little.
The striker plate is.
Tug on the knob with the screwdriver still inserted in the hole.
Repairs range from making minor latch adjustments to repositioning the door.
Small uneven bumps will push the entire hinge back away from the door jamb and undermine your efforts this will make a little bit of a mess when you re done.
If it won t lock open the door.
Examine the striker plate.