once you update your LCD box, you dont need to hook up the computer to change the boost functions, just hook up the LCD to the esc with no computer, this way to change settings you need your lipo connected, if you want to use your laptop to change settings, then DONT connect your lipo . for anyone who baught a reventon and just went and hooked it up, it says in the instructions to not connect your lipo when using USB connection to a laptop or PC.