I using this guide http://forums.exophase.com/showthread.php?t=3780 to convert my battery and the memory. I already has created the memory stick so i just put my original Sony 3.6v 1800mAh battery in and follow the step of converting battery on the guide. After i finished the step, the screen go black, i can't do anything. I also tried to put in other batteries, and it work but not the original battery. So can any one tell me how to make my original battery back to normal?? Thanks