There are going to be many options but choose the one that is more likely to be your FC.Īfter the green arrow select WinUSB (2), and press replace driver (3).Īfter that you should find the “CP2102 USB to UART Bridge Controller” under “Universal Serial Bus devices”. Run Zadig, choose your flight controller in the drop down list (1). You can download both the CP2102 and Zadig drivers on the front page of the Betaflight Configurator. The easiest thing to do is to use Zadigto find it. Without proper driver it’s difficult to tell where it is in Device Manager. Note that with SPRF3 boards, you might want to try changing the baud rate to 256000 first, maybe that would do the trick.įirst of all, connect your FC to the computer via USB. If you have a flight controller with CP2102, you need to install the CP2102 driver. And you should be able to flash the FC from now on without any issues on this computer. Once done, your COM port will reappear in the text box. You should now be able to flash the FC as you normally would. Now fire up Betaflight Chrome App GUI, and you should see “ DFU” next to the connect button, rather than the usual COM port in the text box. Once that’s completed successfully, the driver should be installed. This tool will automatically search for your FC, and install whatever driver you need on your computer. You can find out whether your FC is the CP2102 or VCP in order to choose the suitable solution to fix your driver issue.Ĭonnect your FC to the computer with USB cable.ĭownload and run ImpulseRC Driver Fixer Tool here (it’s a 3rd party software, please scan it with AV software before running it) There are two types of flight controllers by the way they connect to a computer: Try restarting your computer and repeat the above before moving on.Ģ Types of Flight Controller Driver Issues If you cannot connect to GUI at all, please try the “ bootloader fix” first to flash the firmware. In which case please follow these steps to resolve the problem. If you are able to connect your flight controller to Betaflight GUI, but you just cannot flash firmware. No response from bootloader, programming failed
Sometimes an USB cable might be designed for charging and not for data connection, or the cable is simply damaged. The first thing you should do is to try a different USB cable. Then the FC COM disappears, and it appears again when you unplug the FC and plug it back in… The same problem keeps happening when you try to flash the FC. Often when there is a driver issue with the flight controller in Windows, you might get errors when press the button “Flash Firmware”.
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