Both seem fine. Make the call and ask "what next?"
Or if you got it from a store, just go back and return it as defective.
Bob
actually work?
I get to about 15% and get errors using both R and RW disks. The computer just arrived yesterday and I put together a nice presentation of my recent vacation only to discover that I can't burn it to DVD on my new computer...
(My apologies if this is in the wrong forum)

Chowhound
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GameSpot
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TechRepublic