Chosen Solution
Canon 6D says-Card cannot be accessed. Reinsert/change the card or format card with camera
@gm29862 ,George, See how to format compatible/uncorrupted SD card at the links below. Good luck. I hope this helped you out, if so let me know by pressing the helpful button. https://support.usa.canon.com/kb/index?p… http://www.dailymotion.com/video/xg6a6t_…