Hi Joric,

I flashed black magic firmware into bluepill using ST-LINK V2 as the UART-to-USB method did not work for me (maybe because of the BOOT0 resistor issue you linked).

Now, black magic ports show up under "libusb-win32 devices" on windows 10 device manager, instead of showing up under Ports (COM & LPT).

I suspect it is because of this reason that the remaining instructions to unlock and flash do not work (error is that COM5 is not recognized).

The Ports (COM & LPT) dropdown only appears when I click "View -> Show hidden devices", and it is the following

In this case, is there a way to locate this Black Magic GDB Server?