Spray the door key with a graphite based lubricant.
House door handle wont open from inside.
A door knob or door handle uses a spring loaded latch.
Slide the key in the lock and tap lightly on the key to lubricate the inside of the lock.
Remove the old lock.
Locate the screws holding the lock in place on the inside of the door.
If it is engaged the door will not open from the inside by design.
In the resting state of the lock the spring is extended.
Look for a screw in the bezel under the handle lever.
Roll the window down and carefully push the door panel away at the top right above the latch rear of door then look down inside the door at the latch and figure out which rod fell of the latch.
The turning of the handle retracts the latch by pulling on the spring and compressing it.
You can take a long screw driver of piece of drill rod and manipulate the lever that opens the latch to get the door open and make repairs as needed.
Remove the window crank in cars with manual windows.
Eventually it just stopped opening from the outside completely and someone would have to open it from the inside.
Then the door stopped opening altogether.
How to fix a house door lock handle that wont open.
If the malfunctioning lock is in the door handle there will be at least two screws securing the door handle to the door.
How to fix a door knob that turns but doesn t open.
Looking through the crack at the latch i think that s the word for it the metal part that goes inside the door when you move the handle it won t retract into the door completely.
There will either be a screw in the center of the handle or a retaining clip on the back side of the handle.
Remove the inner door handle.
My door knob turns but won t open.
Flip the key and open the door.
Once you have identified the problem finding and implementing a solution is fairly simple.
When the door knob is locked the handle will not turn which keeps the latch from retracting.