If you are having any issues with the camera, first take a look at the HP Photosmart 935 Troubleshooting.
Identification and Background
The HP Photosmart 935 camera can be distinguished from other cameras and models by two main things. Looking at the front, you can identify the camera by the letters "hp" in a blue circle on the upper left side of the camera. Also, the lower right side of the camera will have the number 935, followed by the words 'hp photosmart" .
The HP Photosmart 935 is an upgrade from its predecessor, the HP Photosmart 850. It has a 5.3 megapixel sensor, allowing for enlargements up to 20x30 inches. It also has a 1.5 inch LCD screen, and a 21x zoom. Not only does it take pictures but it shoots in video mode as well.