In most cases, this is caused by missing or incorrect drivers, or bad cable. In this tutorial, I'll explain the potential causes and simple step-by-step solutions to help you fix the issue. I'll also cover the basics of the drivers needed for STM32-based flight controllers, so you understand what. This guide describes how to troubleshooting common issues with FC ports on NetApp controllers. SIGN IN New to NetApp? NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or. Does Betaflight work for any other quad or FC? If not, you may need to follow these steps to fix the serial port driver: https://oscarliang. com/fc-driver-issues-flash-firmware/ Missing cap Is there a fix?The connected device is configured in an offline state. The port is online (connected to an external device) but has no traffic.