There comes a point when fixing old DVD navigation is no longer cost-effective. If you have tried cleaning both disc and lens, tested a second disc, and still see accept that:
Does anyone know:
: If the original is lost, you can download a LOADING.KWI file specifically for the NDDN-W56. Burn this file onto a blank CD-R or DVD-R . please insert correct map disc nddn-w56
Map DVDs are region-locked. A disc intended for Europe or Japan will produce this error on a North American system. The code typically refers to North American maps. There comes a point when fixing old DVD
: If you have the original disc that came with the car (usually labeled with a code like 86271-V416A8 ), simply insert it into the map slot. tested a second disc