Download the .zip or .exe installer directly to your local storage. Verifying Driver Quality and Authenticity
The USBCAN-II is a classic interface card. While the hardware is robust, the drivers often found on random forums are outdated. Using an incorrect or corrupted driver can result in:
Disconnect the USBCAN-I adapter from your computer's USB port.
Expand the or ZLG Devices section in Device Manager.
The most reliable source is the official ZLG (Guangzhou Zhiyuan Electronics) support portal. Experts recommend avoiding "auto-install" features in Windows, as they often install generic drivers that break CAN communication.
Right-click the installer and select "Run as Administrator" .
Plug the ZLG USBCAN-II hardware into a USB 2.0 or USB 3.0 port. The system will automatically map the device. Method 2: Manual Installation via Windows Device Manager
: Extract the downloaded archive and copy the libusbcan.so shared library to the /lib directory. This typically requires sudo privileges:
You should see listed without any yellow warning icons. Troubleshooting Common Issues Driver Signature Enforcement (Windows 10/11)
Are you using , or are you developing a custom application (C#, Python, etc.)? Are you getting a specific error code in Device Manager?