It does snap and there is a blinking says busy
why does the "busy" in the scope window keeps blinking?
It would seem that the camera is having issues completing its Power On Self Test or POST. In this particular camera this can be caused by two main issues.
I have had success with reloading the firmware on my old camera when this same error happened after I left my camera in my minivan on a sweltering day. Follow the link below for the latest firmware and instructions on how to reload it.