The Arduino not readable on the PC after burning avr program on its atmega chip

after i burned program from avr studio on the atmega of my leonardo the led of arduino is always light does , what i can to to reuse the the arduino again as it can`t appear in the devices manager

are you able to see the COM port linked with the arduino?


most probably its the wrong set of fuses you accidentally burnt on the ATmega32u4.

i think that