- #Zadig driver safe drivers
- #Zadig driver safe Pc
#Zadig driver safe drivers
reinstall STM VCP drivers without FC connected.
#Zadig driver safe Pc
If PC drivers manager doesn’t show right COM port, uninstall it.PC devices manager should show “ STMicroelectronics Virtual COM Port (COMxx)” if VCP drivers is installed successful.
STM32 Virtual Com Port driver X64 (Windows).STM32 Virtual Com Port driver (Windows).BF/INAV configurator should show it’s connected in DFU mode in the top right corner (DO NOT click the CONNECT button).Connect the FC USB to the PC while holding the boot button in.The ImpulseRC Driver Fixer should then see and load the proper driver.Choose the latest hex file for your FC and then “Load Firmware Online/local”.BF/INAV configurator should show it’s connected in DFU mode in the top right corner.
Connect the FC USB to the PC While holding the boot button in. Choose WinUSB (v6.x.x.x) in the box on the right side of the green arrow and click Replace Driver. Select STM32 BOOTLOADER in the device list (if instead you see STM32 Virtual Com Port you are not in DFU mode – don’t replace the driver!). Connect the FC USB to the PC While holding the boot button in. (DO NOT power on FC via external 5V or Vbat). Always reset to default with defaults in CLI after reflashing, “full chip erase” can not erase old data completely. use configurator 3.0 for fw 3.0.x, use configurator 2.6 for fw 2.6.x Make sure INAV firmware version is compatible with configurator version, e.g. It is related to DFU protocol used in the STM32 bootloader, not hardware and PC driver issue. If GPS or other peripherals are connected to UART1 or UART3 of F4/F7/H7 chip and these peripherals are powered ON while connecting USB. ***** Installing Betaflight/INAV/ArduPilot(ChibiOS) you can easily kill chips when soldering if soldering iron is not grounded properly. some iron tips may float at arbitrary voltages unless an additional grounding wire is used. 
***** Make sure the soldering iron you are using is ESD-safe.
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