MyBoot does not work on RoadAngel Navigator 3000

Hi,
I had installed MyBoot on my RoadAngel Navigator 3000, Australian version, WinCE 4.2 but when pressing the original Navigation button, nothing happened. What should I do or check next? Any help or information would be greatly appreciated. Thanks.
Regards,
smartufo
I had installed MyBoot on my RoadAngel Navigator 3000, Australian version, WinCE 4.2 but when pressing the original Navigation button, nothing happened. What should I do or check next? Any help or information would be greatly appreciated. Thanks.
Regards,
smartufo