Modern 64-bit operating systems (Windows 10 and Windows 11) strictly enforce digital signature verification for drivers. Because some legacy or specific regional versions of MCGS USB drivers lack updated digital signatures, Windows may block the installation with an error code like or Code 52 .
MCGS HMI USB driver is a critical software component used to establish a stable communication link between a PC running MCGS configuration software (like MCGS Embedded or MCGS Pro) and Kunlun Tongtai HMI hardware. It is primarily used for uploading and downloading project files and firmware. Driver Installation Process mcgs hmi usb driver
Open your project download settings in MCGS Pro. Switch the download method from "LAN/Ethernet" to "USB". Ensure your HMI runtime environment is not frozen or locked in a boot loop. Faulty Cables and USB 3.0 Incompatibility Modern 64-bit operating systems (Windows 10 and Windows
: Used for modern, high-definition, and Linux/Cortex-A8-based HMIs. It is primarily used for uploading and downloading
If the MCGS HMI USB driver is not installed correctly or is missing, users may experience several issues, including:
Click and navigate to your MCGS installation directory (e.g., C:\Program Files (x86)\McgsPro\Drivers\UsbDriver ).
Go to Settings > Update & Security > Recovery > Advanced Startup . After restarting, choose Troubleshoot > Advanced options > Startup Settings and press 7 or F7 to disable signature enforcement.