Your garage door has two overhead springs some doors have the springs on the side called extension springs that are responsible for opening and closing the door.
Garage door stuck open crooked.
If this is not the problem it could well be that the springs of the garage door have stretched causing the shift.
If the rollers on one side of your garage door have jumped off the tracks completely this will result in a noticeably crooked door that poses a danger to anybody who tries to open or close it.
If the blockage is on one side the door will hang crooked.
Shut off the power to the garage door opener.
If you leave the garage door open a lot wind born dirt and debris can accumulate in the track over time until one day it begins to interfere with the ability of the door to raise and lower itself.
One of the most likely culprits when you have a crooked garage door is a broken torsion spring.
A crooked garage door may need adjusting.
A door that is stuck halfway open is a security risk allowing access to the garage and the home if it s attached.
Pulling the door up and down is a garage door opener.
Check the door s electric eye.
If that is the case you will have to do a spring replacement instead of simply adjusting the garage door.
The door should then hang correctly.
Garage doors run along a series of tracks.
If the opener is adjusted properly the garage door will move up and down in an even motion.
Turn the power back on and the door should open and close normally.