Try bootloader from Nick Gammon Gammon Forum : Electronics : Microprocessors : Atmega bootloader programmer, you need another UNO board, and check this topic http://arduino.cc/forum/index.php/topic,160988.0.html as well
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Try bootloader from Nick Gammon Gammon Forum : Electronics : Microprocessors : Atmega bootloader programmer, you need another UNO board, and check this topic http://arduino.cc/forum/index.php/topic,160988.0.html as well
pak