nics17

Hi, I have just purchased a new Arty Z7 20. When I tried to flash it using the Prog Uart through Vitis, it failed. Upon further checking, turns out that every time I connected this board to my PC, it showed two COM ports. However, this is not the case for my other Arty Z7 boards. If it helps I am using a USB hub to connect the board to my PC. Note that the other boards are also connected through the hub and are working fine. Also, based on my test with PuTTY, only one of the two ports would display when I call the xil_print() function. Even though it is still possible to flash the board using a microSD card. I still require the method to flash it through the Prog Uart. So, is there any way for me to solve this issue? Thank you.

Well, I tried to follow this thread. When I installed the FT_PROG and ran it, the ARTY's FTDI was detected. Then, when I rechecked the Device Manager, it magically detected the COM number. I don't know what happened, but the problem seems to be solved.

Hi @JRys, sorry for the late reply. That's the problem. My board COM port number doesn't show up on the device manager at all. I have tried it with another PC, but still, no COM port is detected

As the title says, my ARTY Z7 COM port is not detected by my PC. However, the Vitis app can flash the board, and the flashed design works. The problem is I need the COM port connection to debug my design. I have tried replacing the cable, using power through REG, or changing the PC, but it still does not work. Is there any advice to solve or how to proceed in troubleshooting this issue? Thanks