To install the , you typically need to point Windows toward the driver folder located within your MCGS Embedded software installation. 1. Locate the Driver Folder
| Error Message / Symptom | Most Likely Cause | Solution | | :--- | :--- | :--- | | "Device Descriptor Request Failed" | Bad USB cable or port. | Replace cable (many cheap USB cables are charge-only). Use rear USB port on PC. | | "This device cannot start. (Code 10)" | Driver conflict or corrupted INF. | Uninstall all USB composite devices in Device Manager. Reboot and reinstall driver. | | "Windows requires a digitally signed driver" | Driver signature enforcement on Win10/11. | Disable enforcement (see Part 6). Or use a newer signed driver from MCGS support. | | "No available port found" in MCGS software | Driver installed but COM port not assigned. | In Device Manager, right-click the MCGS device → Properties → Port Settings → Advanced → Change COM port number (e.g., to COM2-COM8, avoid high numbers). | | "Timeout during download" | HMI is in Run mode, not Stop/Download mode. | Power cycle HMI. During boot, tap the screen or press the download button (varies by model). | | "USB device not recognized" after Windows Update | Windows Update replaced your driver. | Roll back driver in Device Manager. Then block automatic driver updates via Group Policy. | mcgs hmi usb driver
To install and configure the USB driver for your HMI, follow these steps to ensure a successful connection between your PC and the HMI for project downloading and debugging. 1. Hardware Connection MCGS HMI USB driver To install the ,
To ensure you have the latest drivers, always download the full configuration software from official or reputable industrial sources: mcgs hmi usb driver
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: USB ports are used to back up or restore system data through the HMI's boot menu. Export Data
In Device Manager, expand "Ports (COM & LPT)" or "Universal Serial Bus devices." You should see "MCGS HMI USB Device" or "MCGS Virtual COM Port". Note the COM port number (e.g., COM5).