![All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC](https://i.redd.it/806jxpy9d7d41.jpg)
All of a sudden BetaFlight: Failed to open serial port, when trying to repair ImpulseRC: the port 'COM7' does not exist. And I can see COM 7 in BetaFlight right now. FC
![SOLVED] INAV Failed to open serial port on WINDOWS · Issue #726 · iNavFlight/inav-configurator · GitHub SOLVED] INAV Failed to open serial port on WINDOWS · Issue #726 · iNavFlight/inav-configurator · GitHub](https://user-images.githubusercontent.com/45081450/87424772-d37ec900-c5dc-11ea-8f40-4dd6163a067d.png)
SOLVED] INAV Failed to open serial port on WINDOWS · Issue #726 · iNavFlight/inav-configurator · GitHub
![Neutronrc F411-openlager High-speed Serial Port Blackbox Module For Betaflight F4 Fc Airplane Fpv Drones - Parts & Accs - AliExpress Neutronrc F411-openlager High-speed Serial Port Blackbox Module For Betaflight F4 Fc Airplane Fpv Drones - Parts & Accs - AliExpress](https://ae01.alicdn.com/kf/S4734b6036bde4ceab55d39e8c9e3d227j.png)
Neutronrc F411-openlager High-speed Serial Port Blackbox Module For Betaflight F4 Fc Airplane Fpv Drones - Parts & Accs - AliExpress
![Neutronrc F411-openlager High-speed Serial Port Blackbox Module For Betaflight F4 Fc Airplane Fpv Drones - Parts & Accs - AliExpress Neutronrc F411-openlager High-speed Serial Port Blackbox Module For Betaflight F4 Fc Airplane Fpv Drones - Parts & Accs - AliExpress](https://ae01.alicdn.com/kf/S86c9e1cacafa4093b49affa78d5178feC/NeutronRC-F411-openlager-High-speed-Serial-Port-Blackbox-Module-For-Betaflight-F4-Fc-Airplane-Fpv-Drones.png)
Neutronrc F411-openlager High-speed Serial Port Blackbox Module For Betaflight F4 Fc Airplane Fpv Drones - Parts & Accs - AliExpress
SOLVED] INAV Failed to open serial port on WINDOWS · Issue #726 · iNavFlight/inav-configurator · GitHub
![iNav Softserial not working with F4 Omnibus V5.1 Target OmnibusF4V3 · Issue #2960 · iNavFlight/inav · GitHub iNav Softserial not working with F4 Omnibus V5.1 Target OmnibusF4V3 · Issue #2960 · iNavFlight/inav · GitHub](https://user-images.githubusercontent.com/15046400/37837370-526bcb80-2eb5-11e8-9260-f1d99ceec34e.jpg)
iNav Softserial not working with F4 Omnibus V5.1 Target OmnibusF4V3 · Issue #2960 · iNavFlight/inav · GitHub
![Не могу подключить контроллер, пишет failed to open serial port, что делать? | RC Models School. Без политики. | ВКонтакте Не могу подключить контроллер, пишет failed to open serial port, что делать? | RC Models School. Без политики. | ВКонтакте](https://sun9-66.userapi.com/impf/c851228/v851228565/c2a56/rNqFk8Qj1nM.jpg?size=1080x810&quality=96&sign=fb716ed943b7e5b750939bd4388a0274&c_uniq_tag=P7_E1Vm5Ll6YgEtE3hGx0yjGBmH1jZ8dUE-WxBd4ylA&type=album)