Try closing all the apps, even your browser, anything that might be accessing the FC. If that doesn't work, restart your PC. Still no luck? Try a different PC to rule out software issues. Having trouble connecting your flight controller (FC) to Betaflight configurator on your computer, or flashing firmware? 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. USB port falling off is not uncommon in flight controllers. Some of the links on this page are affiliate links. If no computer is. Today I wanted to continue working on it, plugged it in to my Pc and then the message USB device not recognized (error 43) popped up. it doesn't connect to betaflight (ERROR: cannot open serial port).
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