English is such a bizarre language. There are countless instances of pronunciation inconsistencies, idioms exclusive to the language, words that are spelled exactly the same but mean completely ...
Stick it in a CD-ROM and see if it reads the disc? And then if it doesn't, try it in a DVD-ROM drive. And if neither reads the disc then it's screwed up, probably.
The high-definition movie disc battle between HD DVD and Blu-ray Disc can be traced all the way back to 2000, when companies began experimenting with using new blue lasers in optical disc systems.