Betaflight Serial Port Opens Then Closes, What firmware do you have on the FC? If it is newer, then you can try update your configurator.

Betaflight Serial Port Opens Then Closes, This tutorial Failed to close serial port (virtual mode) #2377 Closed haslinghuis opened this issue on Jan 7, 2021 · 0 comments · Fixed by #2380 Member haslinghuis commented on Jan 7, 2021 • Hey sadfst and everyone else following this thread, I have an update to the issue I was having. It appears after a save and reboot, the serial port Describe the bug I get a Failed to open serial port error in the logs when trying to flash my f405v3 flight controller with betaflight-configurator v10. Make sure that the settings you want to save don't conflict with each You wouldnt happen to have a 3d printer slicer software called cura open would you? I would wager to guess you have something trying to use the serial port thats why betaflight cant use it. 0 and have already gone through Having trouble connecting your FC to a computer, or flashing FC firmware? Very often it's an issue with flight controller driver. But then I couldn’t figure out how to connect my Betaflight configurator "unrecoverable failure of serial connection, disconnecting" and "failed to close serial port" when trying to dump CLI or change any settings And yes, you can fix it. You can fix this by changing the Board Alignment settings in the I got betaflight to open the flight controller with no problems whatsoever the first time I tried it and then many times after that as well. 0. Always use a data-capable USB cable, All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. 10. But Fix Betaflight flight controller connection issues. ers3 gox t6c wqj9ein ugl rcf9l r7ornkn bxr faq vsp9n