Quote Originally Posted by Mark II:
I'd guess they were copies. They were given to me so I don't know the origin exactly. The thing is, the computer handles some that I know to be copies perfectly well. Is it just the quality of the disk that makes the difference?
Can be, Some drives only seem to like certain disks.
My Vaio for example doesn't like some Maxell disks and will just not read them even though the disks are brand new and straight out of the wrapper.