If the hinge and jamb are painted cut the paint around the leaf with a utility knife swing the leaf away from the jamb.
Top door hinge loose.
Tap the hinge pin back into the door with a hammer at the top of the pin barrel.
Remove the loose screws.
If a door binds open it grasp the knob and lift up to see if a hinge is loose.
Coat a wooden golf tee with glue.
Open the door grasp it by the lock edge and move it up and down.
Remove the screws that hold the loose hinge leaf to the door jamb.
Score the tee with a utility knife flush with the mortise.
Test the hinge on the latch side a door is cut at a slight bevel to make it easier to close.
Break the tee off even with the bottom of the mortise.
Tap the tee into the hinge screw hole with a hammer.
Ask a helper to hold up the door and align the pin barrel on both halves of the hinge.
It can be because of stripped screws in the top hinge that finally give out or simply the weight of the door.
Open the door wide and insert a wedge under the bottom outside corner to level it.
Binding problems at the top of any door are usually the result of a loose hinge.
Reinstall the hinge and screws in the holes.
First check that the hinge screws are tight.
If you encounter movement at the hinge screws they need to be retightened.
How to tighten stripped hinge screws.
If the hinge pin falls out.