Reinstall Drivers (Windows Troubleshooting)

1. Disconnect Xboard.
2. Go to Start -> Settings -> Control Panel -> System -> Hardware -> Device Manager.
3. Under Sound, Video and Game Controllers, find 'USB Audio Device' or 'E-MU Xboard'.
4. Double-click and select Update Driver.
5. Follow the prompts to install the E-MU USB-MIDI Device from the CD or specific location.

Source: Xboard 25 — emu-xboard-25-49-61-manual-eng (manual)