After upgrading 16.04 from 14.04 i face the same problem. Then i got my solution. U can try this. By this network and wifi will be normal.
1 ==> open your terminal and type sudo nano /etc/NetworkManager/NetworkManager.conf 2 ==> change managed=false to managed=true and save the file 3 ==> again in terminal type sudo service network-manager restart hope it helps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1434986 Title: Not working network connection after boot To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1434986/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs