External drive refuse to show up in network

I have just bought a Verbatim 3TB external harddrive (http://www.verbatim-europe.co.uk/en_1/product_store-n-save-superspeed-usb-3-0-de sktop-hard-drive-3tb_9566_0_35770__12692.html?con=39)
It works fine plugged directly into my retina laptop but refuse to show up when plugged into my (brand new) airport extreme. I have other externals that works perfectly with the extreme and I tried to the best of my ability to format the verbatim with the same standard (GUID and Mac OS Extended).
How can this be? Are some brands of external drives just incompatible with the airport extreme?

Thanks a lot Niel,
Diskwarrior is a program for what you need to buy a DVD. I live in Brazil I have no idea where to buy it. Or can you download it?
A

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