don't know if this has any relevance.....on the 2005.2 cd, it shows the file system as being CDFS (Compact Disc File System) whereas the file system of the burned copy is UDF (Universal Disk Format). could that be the problem, that the dvd player can only read CDFS and not UDF?

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Hmm based on what everyone is saying, it seems there are different copies flosting around. For me both my original & burnt copy is CDFS.

Ok I tried the Fuji brand DvD -R & +Rs , NONE OF THEM WORK

I burnt them at the slowest speed possible, now let me try burning them at the fastest. Yyyaaayyy way to go to waste 2 more DvDs !!

I might as well just buy the original.

Who wants to pitch in & make a common purchase for the community ?

well i was able to get the nav system to recognize the disc, but there is no map info; it just shows the arrow with no roads. what you need to do is extract the files from the image using a program like WinImage. Then I used UltraISO to create a new image. Unfortunately the trial version doesn't allow you to create images aboe 300MB, but I was able to unlock the program by using one of the registration codes I found in Google Groups. the original image was created using the UDF file system, but UltraISO creates it using CDFS. Make sure to name the volume NAV_DB. now i just need to figure out where the map info needs to be on the disc.

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I do have the correct ISO, I can say that because even when I put in the "faulty" DVDs , maps do display after about 10 mins, of course it takes another 10 mins for it to update even after moving just 1 block.

My problem is that all the burnt DVDs just dont work properly in my system, I dont think there is any problem with my drive as the original just works flawlessly.

i see, i guess we're having different problems with the same image. i couldn't get my nav system to recognize the disc until now, but now there is no map info. i tried putting in a previous destination and it says that the address is not on the map.

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Yeah, thats what I have been trying to find out. People who got it working, what DVD did they use & what program & what speed. So that I can try the same way & finaly get this stupid thing to work !!

Got mine from M3Forums, burned using Alcohol 120% on a Phillips DVD+R disc at 4x. No problems so far...

Checked & replied.