I installed Ubuntu 14.10 a week ago. Everything was ok except some minor audio problems which I detailed in a previous post.

Currently as far as I can see networking is not working at all - no wireless if I'm on Wi-Fi - no Internet if I'm on cable It also doesn't work in safe mode.

I tried most of the things I have seen on forums at network problems (changing failsafe config, changing networking config, etc). Currently I just left the first 2 lines for network config as described in this question: "waiting for network configuration" Problem

  • Can you tell us which network adapter you're using? Run lspci | grep -i wlan to see the available adapters. – jessenorton Nov 13 '14 at 14:13
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    How about: lspci -nn | grep 0280 Thanks. – chili555 Nov 13 '14 at 14:27
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    Let's see if there are any errors in the log when you load the driver: sudo modprobe iwlwifi && dmesg | grep iwl If the output is lengthy, post it here and give us the link: paste.ubuntu.com – chili555 Nov 13 '14 at 14:42
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    Looks pretty normal so far. How about iwconfig; dmesg | grep wlan. Paste as well, please. – chili555 Nov 13 '14 at 14:58
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It worked after reinstalling resolvoncf, as described in this link: "ping: unknown host google.com" but IP's works fine

sudo apt-get remove --purge resolvconf && sudo apt-get install --reinstall resolvconf

Thanks to @chilli555 for walking me through the first stages of the problem.

  • I see similar issues, but this didn't solve anything. – Andy Nov 21 '14 at 15:10
  • @Andy This is the solution if you are already connected to the network - so if you can check if you are connected to your network first, then if you run this command it should work. – paxRoman Nov 24 '14 at 14:15

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