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my internet connection does not work properly. I am able to connect to the internet using Software center, but browsing with firefox or chromium does not work.

I've got a wireless usb adapter by D'link (dwa140 revB3). The website where the network drivers are listet says I need an additional driver, but it worked out of the box in Ubuntu 12.10.

Trying to ping google.com or any other website in terminal gives me a never ending list as a result. So this does not work. I also tried to disable IPv6 but this did not help either.

Please help me. Everything else works and I'm not willing to switch back to windows 7. Thanks!

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Are you behind a proxy and did you ever set your proxy in "System Settings -> Network"? –  Jobin Mar 20 '13 at 14:56
Thanks for your reply. Neither am I behind a proxy nor did I set it up. –  Miró Whoongabonga Mar 20 '13 at 14:59
Does ping fail, or does it get replies? What are the outputs of lspci | grep -iA2 net and nm-tool | grep DNS. –  mikewhatever Mar 20 '13 at 15:23
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