*** This bug is a duplicate of bug 1676547 ***
https://bugs.launchpad.net/bugs/1676547
I have tried all the above but did not work for me? I was running Ubuntu
16.04.2 LTS Xenial with no problem until two days ago. Then, after I did
a routine software update which I was prompted to do but Ubuntu software
updater, I had an error saying something went wrong. After I rebooted
the machine, I had no longer ethernet.
My card is realtek.
The command below
sudo lshw -C network
gave me -network UNCLAIMED
and doing ifconfig i do not see any ethernet connection there.
For now, I was able to get on the web and post this message to you only
because I had a backup exact copy of my 120gb SSD, hence I was able to
just change the SSD and get back to the Ubuntu system I had BEFORE the
update. I think this is a serious bug in Ubuntu, if did not have backup,
would have caused a lot of inconvenience, with me being unable to go on
the web using my Desktop PC.
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https://bugs.launchpad.net/bugs/1638842
Title:
network-manager does not manage ethernet and bluetooth interfaces when
Ubuntu 16.10 is installed using chroot/netboot method
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