I have two Skystars H743 Dual Gyro Flight Controller . When I Plug them in PC , in DFU Mode they get recognized as USB Device but after flashing firmware when I reinsert them they are not showing any where(not in device manager Ports(COM & LPT) .But after flashing INAV Firmware they are shoin in libusbK USB Devices. please help

https://jumpshare.com/s/tZKTT68RrnYJG3VMJHva

Have you installed vcp drivers , if not install , https://www.silabs.com/software-and-tools/usb-to-uart-bridge-vcp-drivers?tab=downloads