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Accepted
Alexey Chernov
Asked: 2016-06-26 03:25:09 +0800 CST

Wireless adapter not working after updates TP LINK Archer T4U

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I've got TP-Link Archer T4U and Ubuntu 16.04

In order to make it work, I installed community drivers from github

The installation proccess was like this:

# sudo cp -R . /usr/src/rtl8812AU_8821AU_linux-1.0
# sudo dkms add -m rtl8812AU_8821AU_linux -v 1.0
# sudo dkms build -m rtl8812AU_8821AU_linux -v 1.0
# sudo dkms install -m rtl8812AU_8821AU_linux -v 1.0

Then came some updates from Update manager, probably kernel update and the driver stopped working.

The additional drivers applet shows:

enter image description here


I tried to reinstall it, but it says that the module is already loaded.

I'm quite new to Ubuntu. Please, help. Thanks in advance

drivers

1 Answers

  1. Best Answer

    Thanks to Pilot6, he gave a good advice.

    So, I fixed it.

    Disabled the secure boot. Then run the command

    sudo dkms remove -m rtl8812AU_8821AU_linux/1.0 --all

    And then

    sudo dkms install -m rtl8812AU_8821AU_linux -v 1.0

    After reboot, my wi-fi works again. And now I know how to deal with it after future kernel updates. Thanks

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