In Device Manager, expand . You should now see something like:
| Problem | Solution | | :--- | :--- | | Driver installation fails with “hash mismatch” | Disable (Core Isolation) temporarily in Windows Security. Restart, install driver, then re-enable. | | COM port disappears after reboot | Reinstall driver. Check your USB cable—some cheap cables are power-only, no data. | | Windows says “Third-party INF is not digitally signed” | On Windows 10/11, go to Settings > Update & Security > Recovery > Advanced Startup > Troubleshoot > Startup Settings > Restart > Press 7 (Disable driver signature enforcement) . Then reinstall. | | PLC software cannot open COM port | Make sure no other software (like a serial monitor) is using the same COM port. Change the COM port number in Device Manager > Port Settings > Advanced. |
Select > Advanced options > Startup Settings > Restart .
: Open Device Manager, right-click your USB root hubs, go to Power Management , and uncheck Allow the computer to turn off this device to save power . Communication Timeout
Complete Guide to Xinje PLC USB Driver Installation Wuxi Xinje Electric Co., Ltd. produces a popular, cost-effective range of PLCs (XC, XD, XL series) widely used in industrial automation. To program these controllers, a stable connection between the PC and the PLC is essential. xinje plc usb driver install
It is highly recommended to install the official Xinje programming software ( XDPPro for XC series or XD-Config for XD/XL series) first, as the required drivers are frequently bundled inside the software installation folder.
Note the COM port number. You will need to select this exact COM port inside your Xinje programming software (under Communication Setup or PC Parameter Settings ).
Before beginning, ensure you complete the following checklist to avoid common issues:
Look through the hardware list for an unknown device. It usually appears under with a yellow exclamation mark, labeled as Xinje PLC or USB Serial Port . In Device Manager, expand
Sometimes the XINJEConfig tool, which includes the USB drivers, does not install correctly.
Upon reaching the numbered menu list, press 7 or F7 to choose .
Don’t worry. The fix is simple once you know where to look. In this guide, I’ll walk you through installing the Xinje PLC USB driver correctly on Windows 10 and Windows 11.
Fix: Open Device Manager, right-click the assigned port, choose Properties > Power Management , and uncheck Allow the computer to turn off this device to save power . | | COM port disappears after reboot | Reinstall driver
Go to > Advanced options > Startup Settings > Restart .
Hold the key while clicking Restart in the Windows Start Menu.
If you hit any snags during setup, tell me you are using and the exact model number of your Xinje PLC so I can provide specific troubleshooting steps. Share public link
The plant’s network was locked down. Internet access was limited, and the IT policy forbade downloading unsigned drivers directly on the production network. Arman remembered a thread on the maintenance forum: Xinje drivers packaged with slightly different names, cryptic version numbers, and an occasional unsigned certificate. He had to install the correct USB driver to create a reliable serial-over-USB port and avoid flaky communications that would wreck the overnight run.
Without the correct driver, your PC will recognize the PLC as an "Unknown Device" or show a yellow exclamation mark in Device Manager. This guide provides a complete walkthrough to resolve that issue.