To whom it may concern, I appreciate this platform exist. I recently upgraded my built quad and adding a gps on it. In the process of programming and activating the GPS in betaflight I started running issues with betaflight not able to connect to the drone I get the error message all the time. I have uninstall and reinstalled and it now not working probably. I updated the drivers with cp210x driver, stm usb vocal driver, tried the dc impulse driver and tried zadig and I’m not sure what do from here on? I would appreciate your assistance thank you

Are you able to put your FC into boot mode (by holding the boot button down while plugging in a USB cable) and does Betaflight Configurator then recognise it as a "DFU" connected device?

If that really happenned as soon as you added the GPS and you have an older board like a F3 I would guess that you used the same TX/RX that is allocated to the cp210 board where you plug in your usb.

Like Snow said, try to connect to it via DFU. If you are able to do that then you can reflash your firmware into the board and start over.

When held down the reboot button and plugged in it the betaflight configurator didn’t recognize it. I deleted the betaflight and reinstalled it and it did not work.

What FC do you have? How did you wire the GPS?

Try unplugging the GPS and then connecting the board to Betaflight. Does this work?

Mamba F405 MK2, i looked it up online, I used the uart3. I tried unplugging it and to see if It would make a difference it is still not connecting

(20-Jun-2021, 04:32 PM)Femstar Wrote: Mamba F405 MK2, i looked it up online, I used the uart3. I tried unplugging it and to see if It would make a difference it is still not connecting

Does the FC power up when you connect a lipo to the quad?

It may just be that the usb port has some physical issues (maybe a broken solder pad).

Did you in the past manage to connect the FC via Betaflight on the computer you are using? Have you tried a different computer?

Yes the flight controller powers up and it still works. You might right about the USB port might be bad. I tried my tinyhawk on the computer and it wouldn’t connect either
I’m sure of what to do, I might have to buy another computer

(21-Jun-2021, 02:47 AM)Femstar Wrote: Yes the flight controller powers up and it still works. You might right about the USB port might be bad. I tried my tinyhawk on the computer and it wouldn’t connect either
I’m sure of what to do, I might have to buy another computer

Ok, so its probably your computer then. Or did you try another USB cable?

Something must have changed recently and perhaps updated the drivers.

Have you got an android phone? with an OTG cable? You can try and connect that via the Betaflight app or the Speedy bee app.

So tried different usb B cord none of them made difference. I ordered the OTG cable from Amazon so I would try using my iPhone, I have an old android phone that I tried to login and I was unsuccessful so I would try using my iPhone hopefully it would work. Thank you guys I would let you know the outcome in the next couple of days

Go to device manager, plug in your FC with USB cable, what device populates in the device manager?

(21-Jun-2021, 03:09 PM)Femstar Wrote: So tried different usb B cord none of them made difference. I ordered the OTG cable from Amazon so I would try using my iPhone, I have an old android phone that I tried to login and I was unsuccessful so I would try using my iPhone hopefully it would work. Thank you guys I would let you know the outcome in the next couple of days

iPhone will not work without the SpeedyBee adapter.

Have you tried using every different USB port on the computer? I did something to a couple of my ports when I started adding the various drivers you tube videos said you needed and instead it screwed em up.
There are usually a couple USB ports on the interior on the mother board (desk top) that might have survived and not been corrupted.

I did tried other ports and it was still giving me the same error message. I had an old hp i3 laptop that I was going to use but I can’t find so I am hoping I can use my phone with betaflight