Problems with Kodak CD-R Ultima 80

I bought a few weeks ago 40 CD’s of Kodak CD-R Ultima 80. These CD’s were very fine, so I decided to buy another 50 (at Kinorama). But these Kodak CD-R Ultima 80 don’t work !(never had with blank CD-R’s). They are a bit different: it silver+gold and it lasts up to 6 times longer than silver-only discs. Does anubody know about this kind of problems? I myself have a Yahama CRW4260 (a 4speed oldie).


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