Screen on Jornada 540 is so blurred it can't be read?

All of a sudden, my screen on my Jornada 540 is blurred. I looks as if special effects were applied, going from right to left, with some legibility on the very left side, and virtually all text is erased on the right. I don't lknow what caused this. Neither a soft nor hard reset fixed the problem. It still synchronizes with my PC.

How can I fix this problem, or where can I get it repaired.