Window fell and wont go back up. how do i fix that? on 1990 Cadillac DeVille

its an '87 deville. passenger side window fell down when i pressed down button and now it wont go back up.

Asked by for the 1990 Cadillac DeVille
probably needs a regulator for the window. take it to a shop and have them give you a bid

little plastic piece called a leveler is broken easy fix take off door panel and you will see the problem.
1 more answer
If the window is not off the track, it is possibly the motor.