If your board does not appear on any port.If there are “Unknown” devices in the board selector and without a board name in the Tools > Port menu.If you’re using an Arduino-based “clone” board with a CH340 USB chip, you may need to manually install CH340 drivers.If you’re using a classic Arduino Nano, you may need to manually install FTDI drivers.Alternatively, select your board in the Tools > Board menu. When selecting an “Unknown” port you will be prompted to select the board type manually. Classic Nano boards and some clone boards with generic USB chips will show up as “Unknown” in the board selector.Proceed with If your board does not appear on any port. If the Tools > Port menu option is missing, it means no ports were found.Ensure you’ve connected your board with a working data USB cable.Learn what to do if your board is missing from the board selector or Tools > Port menu.
![update my bluetooth driver windows 10 not in device manager update my bluetooth driver windows 10 not in device manager](https://imgcdn.maketecheasier.com/2018/10/setup-manage-bluetooth-windows-10-device-manager.png)
In future releases, the Port option will still show (but be disabled) if no ports are available.
![update my bluetooth driver windows 10 not in device manager update my bluetooth driver windows 10 not in device manager](http://4.bp.blogspot.com/-CzaULpoEx9M/VmZP0w6VxMI/AAAAAAAAAFA/UqEIbr3n1Pk/s1600/update%2Bbluetooth%2Bdriver.png)
Note: If you’re using Arduino IDE 2 and are missing the Tools > Port menu option, it means Arduino IDE did not detect any devices.