I upgraded my Ubuntu 17.04 to 17.10. After the upgrade Wifi stopped working. I am using Lenovo ThinkPad E450 laptop. Sharing network information https://cloud.acrobat.com/file/274e230c-0e29-4f22-9c68-0eb76e089717
Ubuntu – Wifi not working in Ubuntu 17.10 version on Lenovo ThinkPad E450
17.10wireless
Best Answer
Issue resolved after doing following steps
sudo dpkg-reconfigure resolvconf
Say yes to
prepare /etc/resolve.conf for dynamic updates?
Reboot