Ubuntu: 16.04 Update killed network and USB connections


I get network UNCLAIMED for both Ethernet Controller (Realtek) and Network Controller (Ralink) after the latest update from Ubuntu for 16.04. Both have physical ID of 0.

I've tried numerous 'fixes' but have found nothing that works.

Please help. And, because I have no internet connection, it makes it difficult for me to provide more information.

Thanks for your help, Jim.


Experienced similar issue two days ago. Solved it by removing the latest kernel, like explained here: How can I remove new kernel versions after downgrading?


Finally got it sorted out.

used: cat /boot/grub/grub.cfg to find out which headers were present.

Then used: sudo apt-get remove 'linux-headers-4.4.0-43*' 'linux-image-4.4.0-43*'.

This reverted the OS to the previous version, which then booted properly, giving me full access to usb ports and internet.

That was fun. Thanks everyone for your help.

Note:If u also have question or solution just comment us below or mail us on toontricks1994@gmail.com
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