Locate the device under or Ports (COM & LPT) with a yellow icon. Right-click it and select Update Driver . Select Browse my computer for drivers .
The symptoms were brutal:
Download the official Microsoft troubleshooter tool ( wushowhide.diagcab ). Run the tool and click Next . Select Hide updates . jxmcu driver patched
Select Click the Have Disk... button.
Click the tab, then click Device Installation Settings . Locate the device under or Ports (COM &
The vulnerability typically manifests as an improper input validation issue. Here is a technical breakdown of how the exploit functions:
Once completed, the yellow warning triangle should disappear, and a usable COM port number (e.g., COM3) will be assigned to your board. Preventing Windows Update from Breaking Your Driver The symptoms were brutal: Download the official Microsoft
Click , select the driver model from the list, and click Next .
In the case of related Jieli (杰理) SoCs, developers are prompted to install a device driver for the chip's USB download interface to establish communication via a virtual COM port.