Do not over tighten the screws or you may strip break them.
How to fix door lock on room door.
Remove one of the screws on the jamb side of the hinge and drive in a 3 in.
Remove the old lock.
If it won t lock open the door.
Examine the striker plate.
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If you break off a screw head or strip it use an inexpensive device called a screw extractor to remove it.
The striker plate is.
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Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
How to fix a door that will not lock.
Tap the end of a chisel under the door stop on.
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.
If that doesn t solve the problem try this trick.
Shut the door and try to lock it.
If the malfunctioning lock is in the door handle there will be at least two screws securing the door handle to the door.
In most cases the problem is now fixed.
This serves as a great lubricant for locks.
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.
After squeezing the powder in use your key a few times in the door to get the lubricant spread to the components.
Locate the screws holding the lock in place on the inside of the door.
If not there is more to look for.
Try using some graphite powder in the lock.
If it latches securely the problem is solved.
A sticky lock can be annoying.
Slide the latch in and out to see if it moves smoothly and if not the door knob may be too tight.
Repairs range from making minor latch adjustments to repositioning the door.
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.