External discs not reading?

Hi
never used a mac before and today bought a macbook air. also bought hub and LG Slim External DVD Burner. I believe it is seeing the DVD burner, but I keep getting message that it can't read disc.
Am I correct in thinking my laptop OS is OS X only? My system requirements to get LG burner working is 10.4.10 or higher, so if I am only X I am guessing that is why it isn't working?
All seems so foreign and I am not that computer savvy to start with. Any help would be appreciated as I bought all this so I could burn my inlaws vinyl's to cd's.
Leigh

OK BEEN searching the web madly. Am I correct with the assumption that the CD/DVD burner will never work through the hub because it is not a powered HUB?? This hub directly connects to the MAB USB.
Please help, I will take the LG burner back and buy the Mac superdriver if this is the case, at least that should work, directly connecting to MBA??

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External discs not reading?

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