3

Always get wifi drop after upgrade to 18.04. The connection will be loss and the wifi symbol will become a question mark later.

Already tried the solutions mentioned here: WiFi randomly disconnected on Ubuntu 18.04 LTS

and also tried to diable the IPv6.

None of them works.

Any help?

1

I had the same issue with a Realtek WiFi AC1200 USB and the internal that is a Broadcom... . Tried the power configuration and the IPv6 disabled. None worked. Finally setting an static IPv4 to the laptop works. Hope this option help someone.

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