Glad to hear this worked for someone else. Maybe it wasn't just a fluke (or the drop onto the tile floor). Would be interesting to hear others try this to see if it works. After my camera started operating properly, I updated the firm ware to the lat...
I was having the "can not communicate..." problem with my 7D also. If I left the battery in the camera with it turned off, in a day or 2 the battery would be stone cold dead. So, yes, it did affect battery life in my experience. By accident I discove...
Had that happen to my T1i, turned out the micro switch in the rails on the hot shoe was stuck. After removing the metal plate & freeing it up with a small screwdriver, it's never done it again...
