; this is a known issue sometimes seen during the setup process on certain Windows versions. Do you need the direct download link
Kunlun Tongtai (mcgs.cn) provides the most up-to-date versions of MCGS Pro and MCGS Embedded . mcgs hmi usb driver
When you plug the HMI into your PC's USB port, the operating system requires a specific device driver to translate commands between the programming software and the HMI hardware. This driver establishes a virtual communication port or a direct USB linkage, allowing firmware updates, screen project uploads, and real-time debugging. Step-by-Step Installation Guide ; this is a known issue sometimes seen
Some MCGS devices require the USB port to be explicitly set to "slave" mode for communication with a computer. To verify this setting: This driver establishes a virtual communication port or
Temporarily disable aggressive firewall/antivirus software and ensure no other PLC or HMI software is trying to reserve the same USB controller port. 6. Best Practices for Maintenance
Open your MCGS software download settings and switch the communication mode from "Network/COM" to "USB". Bad cable or hardware glitch.
You rarely need to download the USB driver as a standalone file. Kunlun Tongtai bundles the official USB driver directly inside their configuration software installation packages.