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I have seen some questions similar to mine but not the same. I have just gone through the process of installing 12.04 dual boot with WIndows 8. Before I resolved all my boot issues and ran ubuntu I could connect to the internet no problem. Now I can connect to my router and ping is OK, but no applications can reach the internet. pinging google fails.

On a similar user question someone suggested pinging 173.194.40.51 That does work.

I think this went bad for me when a large number of updates were installed.

marked as duplicate by Panther, karel, Jorge Castro, Avinash Raj, user117103 Jan 4 '14 at 12:46

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  • Have you tried rechecking your subnet mask and router settings? – user231466 Jan 3 '14 at 20:34
  • Do you have a nameserver entry in /etc/resolv.conf? – user231465 Jan 3 '14 at 20:39
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    173.194.40.51 is google. So if you can ping it, "the internet" is working. The problem is likely to be with DNS. See askubuntu.com/questions/130452/… – Panther Jan 3 '14 at 20:55

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