- sudo service network-manager stop
- sudo rm /var/lib/NetworkManager/NetworkManager.state
- sudo service network-manager start
- sudo gedit /etc/NetworkManager/NetworkManager.conf
- （把false改成true）
- sudo service network-manager restart
ubuntu 有线连接不见（网络图标不见）解决方法
原文：https://www.cnblogs.com/a155-/p/13912475.html
