Usb Device-vid-1f3a-pid-efe8- Windows 11 !full! May 2026
Title: Navigating the Legacy: The "USB Device-VID-1f3a-PID-efe8" Enigma on Windows 11
Windows 11 - USB drives recognised on / off with INF file fix. usb device-vid-1f3a-pid-efe8- windows 11
8) Permissions and security
- Run driver installers as Administrator.
- If smart-card or security token device, ensure middleware (PKCS#11 / CSP) from vendor is installed.
- WinUSB (via Zadig) is signed – works without disabling security.
- Saleae’s legacy driver (pre-2014) may require:
Essay: Understanding and Managing Allwinner FEL Mode on Windows 11 Run driver installers as Administrator
Complete Step-by-Step Solution
1. Check Device Manager
- Press
Win + X → Device Manager
- Look under Universal Serial Bus controllers or Other devices
- Right-click the unknown device → Properties → Details tab → Hardware Ids – confirm
USB\VID_1F3A&PID_EFE8
- Try a different USB port: Sometimes, the issue might be with the port rather than the device or the computer.
- Reboot your computer: A simple reboot can solve many connectivity issues.
- Check for physical damage: Ensure that your device and the USB cable (if applicable) are not physically damaged.
FEL mode is extremely sensitive; use the original USB cable or a high-quality data cable (avoid "charge-only" cables). USB Ports: USB 2.0 port WinUSB (via Zadig) is signed – works without