your mobile's LCD is not working. you hav 2 get it changed... i had the same problem and did the same.
hirra, September 2008
Wow big writing. Seriously though, you can have the scren replaced at a local mobile shop, but if the phone is old or not worth much better to just replace it.
JB, September 2008
edit
I can answer this question...
THE SCREEN ON MY PEBL 3 IS BLANK OTHERWISE THE PHONE WORKS?