Is the img file this kind of thing? http://en.wikipedia.org/wiki/IMG_%28file_format%29 If so, I would have expected that: sudo dd if=/path/to/your/file.img of=/dev/sdb bs=4M ...would do the trick, if /dev/sdb is alive and healthy. What do the last 20 or so lines of dmesg say just after you plug the stick in? -- MC