Find the article for this tutorial at: http://startingelectronics.org/tutorials/arduino/arduino-uno-burning-bootloader-avr-studio/
If you have installed Atmel AVR Studio on your Windows computer and you try to burn the bootloader to you Arduino board using the Arduino IDE software, you will get an error message because of a driver clash:
Error while burning bootloader.
avrdude: usbdev_open(): did not find any USB device "usb"
The solution is to use Atmel Studio to burn the bootloader to the Ardu
آی-ویدئو