My blackberry torch 9810 refuses to start up, its stuck on the white line, how do i fix this? I have tried rebooting it and removing the battery,it still remains the same.Please can some one help? Its really frustrating and i use my phone a lot,i really need a solution

Cell Phones - Research In Motion - Blackberry Torch 9810 Slider Os7.0 3g 5mp 8gb Gps Wifi...