How do you get sliding doors back on track? Angle the bottom of the door toward you while you let it down, and the wheels should hook right onto the track. Release the door and let it swing gently back to the vertical position. Check that the door will glide, then hang the other door on the front track, using the same method.
How do you put a sliding closet door back on top track?
How do you fix a closet door that is off track?
How do you hang a sliding closet door on a track?