I would first check to see if the SD card is locked, then see if the card is to large for the camera, a coworker has a hp camera and it is limited in the size of memory card it can take.
The best format to shoot in - provided your camera gives you the option - is RAW. That has been called a 'digital negative'. JPEG is a 'lossy' format which means that each time you open it you can loose some of the digital information. That does not ...
Yup sadly that camera only supports cards up to 2GB. It comes down to the number of memory spaces the camera can address. Camera chips were made to go to a maximum of 2GB before such large cards were invented. Now because cards are bigger, the camera...