順便在視窗九八第二版中的裝置管理員檢視以下選項是否有任何黃色驚嘆號(！)的情形:

1. NEC PCI to USB Enhanced Host Controller;
2. NEC PCI to USB Open Host Controller;
3. NEC PCI to USB Open Host Controller;
4. USB Root Hub;
5. USB Root Hub.