Today I put my work collegues newer RNS-E DVD into my RNS-E and it updated the software on the unit to a higher version. When I put my RNS-E DVD back in the sat nav systems says that it is not compatible.
We tried backing up the Newer version DVD 2005_1 but this will not work!!!
I now am unable to use my RNS-E to navigate.
Does anyone know a way of down grading the software on the sat nav system or know of a successfully way to backup the orginal CD?