Always download drivers directly from the official FTDI website. Third-party sites often host outdated files or, worse, malware. FTDI provides two main types of drivers:
Every time you plug the FT231X into a different USB port, Windows assigns it a new COM port number, which can disrupt your software configurations. ft231x usb uart driver link
Switch from a USB 3.0 port to a USB 2.0 port. Avoid using unpowered USB hubs. Swap out the USB cable for one that explicitly supports high-speed data transfer. Issue 2: Yellow Exclamation Mark in Device Manager Cause: The driver is missing or corrupted. Always download drivers directly from the official FTDI
The FT231X is excellent as a programming adapter for boards without native USB. Here’s a quick reference: Switch from a USB 3
Click , select the extracted folder containing the .inf driver files, and check Include subfolders . Click Next to finalize the installation. 4. Verifying Successful Installation
For the best performance with your FT231X-based module, download the drivers directly from the official FTDI website. The VCP driver installation is usually automatic on modern operating systems, ensuring your UART projects work immediately.