Device manager shows "Unknown Device" or "USB Device(VID_1f3a_PID_efe8)".

If your system shows this device with a yellow exclamation mark, follow these steps to resolve the issue:

Usb Device-vid-1f3a-pid-efe8- Windows 11 Better Jun 2026

Device manager shows "Unknown Device" or "USB Device(VID_1f3a_PID_efe8)".

If your system shows this device with a yellow exclamation mark, follow these steps to resolve the issue: