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I recently upgraded to Ubuntu 20.04. After this, my system is not detecting my Wi-Fi. My wireless adapter is an Intel 7265.

I watched some YouTube videos about this issue, which all suggested that I should update my drivers using Software & Updates. But just like others, I did not get this option Installable from CD-ROM/DVD. As you can see I didn't get any options.

Software & Updates 1

Software & Updates 2

After I tried to update, GNOME Software shows:

The repository 'cdrom:/Ubuntu 18.04.4LTS _Bionic Beaver_ - Release amd64 (20200203.1) bionic Release' does not have a Release file.

the above title message. What should I do?

BeastOfCaerbannog
  • 14,585
muhammed shafi
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  • Your installation media won't help you, as it seems from your title that it was bionic (18.04) and not focal. – guiverc Jun 16 '21 at 05:42
  • @karlom it's not in fstab, but in sources.list most likely, but you can find and disable (remove checkbox) in the update-manager boxes likely easier (if preferred). – guiverc Jun 16 '21 at 05:43

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