Another hint is to use a long screw in one of the holes in the top most hinge long enough to penetrate the stud.
How to repair cracked door frame hinge.
It is ordinarily caused by anobject being in between the entryway and frame and without your knowledge you just shut theentryway.
Cracks on doors are everyday problems.
Many problems with frames and doors can be fixed by adjusting the hardware.
After time the weight of the door will pull on the hinge and cause the door not to hang straight.
In particular the side where the hinges fasten onto the door tends to crack or split in certain situations.
Breaks on doors tend to be a regular issue.
Specifically the sideways that the pivots attachedto the entryway will in general break in some circumstances.
Try tightening the hinges which can loosen up over time causing the door to sag.
Hinge pins that are not fully inserted into the hinge.
Use a hinge binding tool hinge doctor to repair binding hinges.
If you have a centering hinge drill use the hinge as a template and the finish repair will be better than new and last for years.
These tools slip over the hinges when the door is closed.
Over time the weight of a door can cause screws to pull out of their holes and make the hinges loose.
How to fix a door that cracked where the hinges go.