It says battery exausted even with new batteries
I beleive your batteries are of incorrect type or you need to set the type of the battery through menu. My favorite batteries are from Wal-mart: Energizer rechargeable Ni-Mh 2450mAh, (15 min recharging time) they fit any type of camera without setting the battery type through menu. Some incorrect type of batteries often damage the CCD. Ni-Mh Energizer never damages the CCD (black screen), while regular (non-rechargeable) Energizers may damage CCD in Sony S700 or similar cameras.