I have a bunch of old CDs that I put data on back in 2000-2004 and I was trying to read them with my DVD and/or BVD drive but I cannot read them. The system will either think the CD is empty and can be written which if I try it won't succeed. Or tell me that the drive does not exist, in the case of usinig a disk recovery program. What could have happened? Everyone has failed that I tried to read so far. Should I use an older CD rom drive that I have? Should I get some sort of program to read the failed CDs?