That might be a driver issue, try using the driver fixer here to see if that will work - Fix any STM32 DFU Drivers issues when flashing Betaflight/Cleanflight firmware as then you should be able to connect to betaflight.
That might be a driver issue, try using the driver fixer here to see if that will work - Fix any STM32 DFU Drivers issues when flashing Betaflight/Cleanflight firmware as then you should be able to connect to betaflight.