i got my new g2 a couple of days ago having previously owned a fuji 6900,i have tried using autofocus according to manual ,camera is set to auto and press button halfway but when i do there is no beeps or green /orange lights and no attempt to focus just a clunking? sound,if ijust press the button full down it takes a pic but again no attempt to focus,is there a problem with cam or am i doin somethin wrong