Troubleshooting Cannot find the serial port for the device
Digi XBee3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
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Other possible issues
Other reasons that the XBee Smart Modem is not discoverable include:
1. If you accidentally have the loopback pins jumpered.
2. You may not have a driver installed. If you do not have a driver installed, the item will have an
exclamation point icon next to it in the Windows Device Manager.
3. You may not be using an updated FTDI driver.
a. Click here to download the drivers for your operating system.
b. This may require you to reboot your computer.
c. Disconnect the power and USB from the XBIB-U-DEV board and reconnect it.
4. If you have a driver installed and updated but still have issues, on Windows 10 you may have to
enable VCP on the driver; see Enable Virtual COM port (VCP) on the driver.
Enable Virtual COM port (VCP) on the driver
On Windows 10 computers, if XCTU does not see the devices you have attached to a PC, you may need
to enable VCP on the USB driver.
To enable VCP:
1.
Click the Search button.
2. Type Device Manager to search for it.
3. Click Universal Serial Bus controllers.
4. If it displays more than one USB controller, unplug the XBee Smart Modem and plug it back in
to make sure you choose the correct one.
5. Right-click the USB controller and select Properties; a dialog displays.
6. Select the Advanced tab.
7. Check Load VCP.
8. Click OK.
9. Unplug the board and plug it back in.
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