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I was using ubuntu 19.10 and I had to install this Wi-Fi driver following instructions:

How to install Wi-Fi driver for Realtek RTL8821CE on Ubuntu 18.04?

However after an update applied and restart it just stopped working

I searched on additional drivers and this was disabled

I tried to re-enable it but nothing happened

How can I make them work back?

enter image description here

Jesús Ayala
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1 Answers1

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I had the same problem. I solved it by uninstalling the driver and installing the official Ubuntu package.

First, I uninstalled the old driver:

cd rtl8821ce/
sudo ./dkms-remove.sh

Then downloaded the driver to my phone: https://packages.ubuntu.com/eoan/all/rtl8821ce-dkms/download

Moved it via USB to my laptop.

Installed it with dpkg:

dpkg -i rtl8821ce-dkms_5.2.5.2.1.30816.20190425-0ubuntu1_all.deb

And finally rebooted the laptop.

Community
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bstoeger
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  • This worked for me for Bionic too (and the other solutions of make-ing it from the Git repo did not, for some reason). – talonx Jan 13 '20 at 05:10
  • Though I had been using the drivers from an independent Github repository, they stopped working in validated mode at the end of July, 2020. Thank you for pointing out the new "genuine" (shall I say cannonical?) driver! – DrMoishe Pippik Jul 23 '20 at 21:51