1.? 停止?network-manager服務
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
sudo service network-manager start
5.重啟系統(tǒng)
reboot
6.修改網(wǎng)卡圖標在桌面又上角顯示
sudo gedit /etc/NetworkManager/NetworkManager.conf
7.把對應的選項修改一下:
managed = true
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