fyi...I just spoke with a Canon tech rep who told me that the problem is the SD card...that it's trying to push too much data through the USB port. He advised me to format the SD card when using a new/different camera so that it can communicate prop...
Thanks for the quick reply. I doubt it will help you, but I looked up the error messages on Canon's website (troubleshooting guide for that camera) and found that "communication error" means that there are too many (more than 1,000) photos on the SD...
I just bought the same camera and I'm having the same issues. My computer doesn't ackowledge the camera when I connect it via USB. On the camera itself, the words "communication error" appear a few moments after connecting it to my laptop via USB. ...