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I have just installed Ubuntu 12 on my notebook, and when want to browse on internet, I am getting the following error:

"FireFox can't find the server at start.ubuntu.com"

When I installed the Ubuntu, I was connected to internet and everything was OK. After installation I did some updates and afterwards I am getting this message.

I tied to follow the same question on this forum , and tried all advices in comments with no result.Duplicate question is not closed.

  • want to connect with WIFI

  • if you need more technical information, e.g. from ifconfig, just let me know.

Thank you

EDIT:

  1. using Ubuntu 12.10

  2. network indicator - indicating no wifi connection at all after click - can update/modify existing network connections

  3. typing in terminal: ping google.com, => getting message: unname host google.com

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marked as duplicate by Jorge Castro, con-f-use, Seth, Eric Carvalho, Mateo Apr 1 '13 at 16:41

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

    
I suggest that you modify the title of your question: your problem is not with Firefox, but with Internet connection. Also, please provide the following information: (i) which Ubuntu version (12.04 or 12.10?) (ii) are you connected to the WiFi (what happens when you click on the network indicator in the top bar)? (iii) what happens when you open a terminal and type "ping google.com" –  January Mar 24 '13 at 9:43
    
What dns addresses you are using ? try using 8.8.8.8 and 8.8.4.4 –  Curious Apprentice Mar 24 '13 at 10:32
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ok, it is fixed, I followed this thread:wireless not working after installing Ubuntu . It seems that you have to install some new drivers for wifi....

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