The Power99

Its really hard to tell. There seems to be no consistent pattern. It reads
some music Cds and some game dvds/movie dvds (for example it read C&C
Tiberium wars and its expansion but not age of empires 3 expansion) but
beyond that i cannot see anything similar. As for formats they seem to be
irrelevant to whether it works or not,

this might be unimportant but could it possibly the speed that the disc was
burnt at that is the factor?? even though the other identical laptops can
read the same discs

thanks for the help