i pre suppose that you have already reinstalled the drivers for the system, i mean arudino iDE and the UNO drivers.
Now even if the things do not work then i think somethings bad with the 8u2 firmware!
i pre suppose that you have already reinstalled the drivers for the system, i mean arudino iDE and the UNO drivers.
Now even if the things do not work then i think somethings bad with the 8u2 firmware!