ubuntu 有线连接不见（网络图标不见）解决方法

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
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原文链接：https://blog.csdn.net/qq_42357070/java/article/details/83385951