At 10:02 PM 1/12/2007 -0500, you wrote:
>I don't
>         know what you mean by -R or +R, I don't see these designations
>         on any discs.>>


That's probably the answer.  There are 2 distinctly different disk 
formats.  Newer players/burners are compatible with both types, some 
earlier ones are not. Some older domestic players will only recognise one 
of these formats.

Which might explain why some disks run on some players but not on 
others.  -RW is the commoner format, but both types of disks are still 
available. I don't know whether one has any advantages over the other. Just 
different manufacturers jostling for the market I think.

D


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