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I have a problem with making a wifi adapter TL-WDN6200 by tp-link work under Ubuntu 16.04.

I had been using an rtl8812au driver for a year. Once in a while it stopped working and I had to repeat the entire installation procedure over again: make, make install, modprobe rtl8815au. After a few attempts it worked again. Now the situation is different. The same procedure does not work no matter hiw many times I repeat it. I tried to download other drivers from the Internet to no avail.

Ubuntu has successfully detected the adapter. Moreover, I can see the list of available wifi networks. However, when I try to connect to one, it does not connect. Other devices connect to the same network without an issue.

What am I possibly doing wrong? Is it a driver problem or a hardware problem?

bored
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  • Please [edit] your question and add output of uname -a; lsusb terminal command. – Pilot6 Dec 31 '19 at 15:47
  • @bored if the RTL8812AU were working for you, you could try installing the drivers from aircrack-ng GitHub repo as described in here: https://askubuntu.com/a/1198198/928088 – Jags Dec 31 '19 at 15:53
  • “stopped working” is most likely caused by kernel update, you can try boot to some previous version (in grub, select the option with advanced and choose an older kernel) – imkzh Oct 25 '21 at 04:33

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