you will need to dismantle it and reload the spring inside the metal case it is very tricky I opend it by mistake and it shot half way across the roon and took me a hour to get it back into place and did get very annoyed but once you have done it its much better and has got more power to it when you push it with your finger, but unfortantly I broke the screen on myn=(((
steffan, September 2009
