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