I have a CR42z/r and i awoke one morning to find that the screen was all white. I then discovered that if i moved the screen around that it wuld flicker back into life, sometimes needing readjustment.
I am still in this state and its really annoying. When the screen goes all white i am able to squeeze the lower left corner and open/close the lid gently and it will come back to life, sometimes not updating until i move it about again where it might flicker.
There is a Youtube video (http://www.youtube.com/watch?v=9EenQ2yb9-w) that illustrates my same problem.
I have removed the bezel, and screen from the lid in order to find any loose cables but cannot locate any (there arent many).
What could cause the screen to be better if i squeeze the bottom left corner? Seems wierd to think it needs replacing if its like this and suggests a weak join somewhere but i cant locate it if i poke and prod each wire or cable in that vicinity. Only localised action i can do is squeeze the bottom left of the screen, with our without the bezel. Was surprised to find someone on Youtube with a video of same problem however which does make me think its a build/screen problem.