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