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When I first open Ubuntu on my visual machine system, “Ethernet network” button was turned to gray, I can not find anything about wireless network information, but I can link wired network automatically.

Besides, I also can not find anything about additional drivers.

enter image description here

Does anyone know why ? thank you !

Ravexina
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TENG FEI HAN
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  • https://askubuntu.com/questions/964668/ethernet-network-device-not-managed-ubuntu-16-04 i encountered the similar question with this friend. i also did what he did.,but still couldn't get through this question – TENG FEI HAN May 19 '18 at 09:05
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    there are solutions depending on your ubuntu version ... start nm applet with dbus or reconfigure ndicator-applet ... please see this thread : https://askubuntu.com/questions/507310/network-manager-icon-disappeared-14-04 – cmak.fr May 19 '18 at 10:19

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