: If you have the driver files, right-click the device in Device Manager , select "Update Driver," and choose "Browse my computer for drivers" to manually point to the older Windows 10/8.1 driver folder.
If you intend to flash the device (e.g., using or PhoenixSuit ), Windows 11 requires a specific driver to communicate with it: usb device-vid-1f3a-pid-efe8- windows 11
If Fix 2 fails due to an unsigned driver error, you need to disable Windows 11’s driver signature enforcement temporarily. : If you have the driver files, right-click
: If the error appeared spontaneously, run a System File Checker (SFC) scan to ensure system-level USB drivers aren't corrupted. right-click the device in Device Manager
Status : Unknown Problem : 43 (CM_PROB_FAILED_POST_START) Class : Unknown