1.? 停止?network-manager服務(wù)
sudo service network-manager stop
2. 備份一下文件
sudo cp /var/lib/NetworkManager/NetworkManager.state /var/lib/NetworkManager/NetworkManager.state.back
3.刪除文件
sudo rm /var/lib/NetworkManager/NetworkManager.state
4.重啟服務(wù)
sudo service network-manager start
5.重啟系統(tǒng)
reboot
6.修改網(wǎng)卡圖標(biāo)在桌面又上角顯示
sudo gedit /etc/NetworkManager/NetworkManager.conf
7.把對(duì)應(yīng)的選項(xiàng)修改一下:
managed = true
本文摘自 :https://www.cnblogs.com/