Hello...I have never used a forum before so forgive any infractions please. I have a very odd screen issue on my Moment. All the buttons on the front (with slider closed) light up. All seem to work. When I go to unlock the phone (press end key then slide lock bar over from left to right) I can feel the small vibrate associated with the unlock. However the screen never lights up. So...touchscreen function works great, but cant see what im clicking. Any help?