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I updated my system a few days ago and cannot access to internet anymore using my Ethernet cable (nor with wifi, but it never worked). I have Windows on the same computer, which still recognizes the cable and allows internet connection.

ifconfig only shows "lo" local lookback element, without any other paragraph. I have reset the etc/resolve.conf file, restarted network manager, etc. with no success.

ahstat
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  • If you only have "lo" it means that Ubuntu cant see/use network card. Check drivers or physical damage/connection. List ethernet adapters: lspci | grep -i eth – sleepyhead Jul 14 '18 at 14:03
  • I have "Ethernet controller: Qualcomm Atheros Device e0b1 (rev 10)" So the device is still here. I should see drivers... – ahstat Jul 15 '18 at 08:14
  • maybe try https://askubuntu.com/a/45769/747387 – sleepyhead Jul 15 '18 at 11:28

1 Answers1

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I reverted to the previous Linux kernel.

I had the problem with "Ubuntu with Linux 4.15.0-24". I'm now using "Ubuntu with Linux 4.13.0-45".

ifconfig shows both enp111s0 and lo again, and I can use wired connection.

Note that I didn't install any network driver for this previous version.

ahstat
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