Download: http://www.st.com/en/development-tools/flasher-stm32.html
Easy way to fix "failed to connect to serial port" , "programming failed, no response from bootloader", solid blue light, and most other problems. Use the same process for the naze, but don't
change baud rate and download firmware for naze.
Steps:
-disconnect board
-short bootloader pins
-open up stm flasher
-set baudrate to 256000
-download firmware hex file
-flash
-un-short boot pins
