My lawyer did nothing in my case for a whole year, he just filed the case, no expert witness, nothing.
Attorney withdrawal depends on a variety of circumstances, including client cooperation. A judge will decide whether or not it is appropriate to grant a withdrawal but it is impossible for a lawyer here to answer that question in a vacuum.
Ben Glass is licensed in Virginia. He offers a number of free consumer book downloads at his site for information purposes only. You should consult an experienced, board certified attorney in your area. Obviously, no attorney client relationship is formed by participating in Avvo.