Insert your faulty USB drive and run the program.
The progress bar will indicate "Scanning," "Erasing," and finally "Formatting." during this process. alcor micro unknown fa00 f w fa04 fixed
By following this "Fixed" guide, you can rescue your Alcor Micro USB from the dreaded Unknown FA00 F/W FA04 state and save it from the trash bin. Insert your faulty USB drive and run the program