Point the file path to the folder where you unzipped the driver files, ensuring "Include subfolders" is checked. Click and follow the prompts. 5. Troubleshooting FT231X Drivers
The Ultimate Guide to FT231X USB UART Drivers: Installation, Troubleshooting, and Official Download Links
VCP drivers cause the USB device to appear as an additional COM port available to the PC. Application software can access the FT231X device in the same way it would access a standard hardware COM port. ft231x usb uart driver link
In past years, driver updates issued via Windows Update intentionally broke functionality for non-genuine (cloned) FTDI chips.
With the correct driver installed, your FT231X-based device will reliably enumerate as a COM port (Windows), /dev/tty.usbserial (macOS), or /dev/ttyUSB0 (Linux). Whether you're debugging an embedded system, programming an ESP32 via a serial adapter, or building a custom USB peripheral, a properly installed FT231X driver is your foundation for stable communication. Point the file path to the folder where
The FTDI VCP driver is baked into the Linux kernel (as part of the ftdi_sio module).
You can install both VCP and D2XX – they coexist. The D2XX driver is included in the same CDM installer package (Windows) or as a separate download for macOS/Linux. Troubleshooting FT231X Drivers The Ultimate Guide to FT231X
3. The Hardware is Not Recognized at All (No Sound or Pop-up)
: Download the Dext or VCP installer depending on your macOS version (supports macOS 11, 12, 15, and 26).
Right-click the entry in Device Manager, select Uninstall Device (check the box to delete driver software if prompted), unplug the device, restart your PC, and rerun the Method A installer. Issue 3: The COM Port Changes Every Time I Plug it In
