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I upgraded to Ubuntu 20.04 from 18.04 recently. My wifi requires special driver as the builtin rt2800pci driver don't work. So, I downloaded the driver from GitHub. On 18.04, the system used to load the driver every boot. I used to issue this command boot every boot, sudo systemctl restart NetworkManager so the system could recognize the wifi interface. Without this, iwconfig used to recognize the interface but settings could not detect the interface. Now after upgrading, settings could not detect the wifi interface. But iwconfig can easily recognize it. How can I fix it?

Update:

I issued wget -N -t 5 -T 10 https://github.com/UbuntuForums/wireless-info/raw/master/wireless-info && chmod +x wireless-info && ./wireless-info on terminal, and this is the content of wireless-info.txt:

https://paste.ubuntu.com/p/gfKH9HxPNQ/

Akib Azmain Turja
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1 Answers1

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I suggest that you make two changes. First, the package ndiswrapper will not properly drive your wireless device, or any that I am aware of, in any recent; that is, not end-of-life Ubuntu version. Let's remove it:

sudo apt purge ndiswrapper*

And remove it from /etc/modules:

sudo nano /etc/modules

Edit the file so that it only contains:

rtl8188fu

Save (Ctrl+o followed by Enter) and exit (Ctrl+x).

Next, we'll make a change in Network Manager:

sudo nano /etc/NetworkManager/NetworkManager.conf

Change the line managed=false to managed=true. Save and close nano as above. Reboot.

Is there any improvement?

chili555
  • 61,330