"Tim" wrote in message
...


Yes, they are ultra speed 24X CD-RWs, although both drives are designed to
handle them. But as you say, they may not be written well enough to read
from different drives. I will try non-ultra speed media, thanks.



Just wondering,. is there any sort of testing utility that can evaluate the
recording performance of a CD/DVD burner? - something that can make the
distinction between a failing drive and simple media incompatibility? It
seems like the standards for a quality burned disc are fairly arbitrary. Is
there anything close to a universal media formulation that should play on
any drive?