If Windows reverts the driver when you restart your PC, ensure you completed the steps to disable automatic driver updates.
Many of the drivers supplied on the mini-CDs that come with JXMCU cables are old or localized and lack proper digital signatures recognized by Microsoft. The "Patched" Solution:
What is the difference between a normal driver and a patched JXMCU driver? jxmcu driver patched
Open . The board should now appear under Other Devices as an unidentified serial device or a broken USB device. Right-click the device and select Update driver . Choose Browse my computer for drivers .
: Occasionally, developers "upstream" or backport support for specific hardware variations (like CAN-FD or high-speed serial) into mainline kernel drivers (e.g., Linux If Windows reverts the driver when you restart
A patched driver removes these hardware ID checks, allowing the OS to communicate with the chip regardless of its "genuine" status. 💻 Key Features of the JXMCU Patch
Upon reboot, a list of options will appear. Press 7 or F7 to select . Choose Browse my computer for drivers
The phrase "jxmcu driver patched" exists in a gray area. From a legal standpoint:
Because patched drivers are modified by the community, they lack an official Microsoft digital signature. Windows will block the installation of unsigned drivers by default. Follow these steps to bypass the restriction and install the patch. Step 1: Disable Driver Signature Enforcement
If all else fails, use a Windows 7 Virtual Machine to run the older driver software reliably.