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I just got a new computer (HP Envy) and installed elementary OS. As you may know, a lot of HP laptops come with Intel wireless drivers and they do not work on Linux right after the installation. And mine is not an exception. I do not see wireless option in the network setting. Right now, I am connected to internet by USB tethering using my phone.

My wireless driver is Intel Wireless AC9560. I have tried many different methods online but failed. Could anyone help me get my wifi working?

p.s. I also could not install elementary tweaks on my computer. While adding the PPA, it always returned 

Err:10 http://ppa.launchpad.net/mpstark/elementary-tweaks-daily/ubuntu bionic Release
404  Not Found [IP: 91.189.95.83 80]
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    For the elementary tweaks issue, you have to use phillip.scott ppa: sudo add-apt-repository ppa:philip.scott/elementary-tweaks. Use sudo add-apt-repository --remove ppa:mpstark/elementary-tweaks-daily to remove the obsolete mpstark repository.
    – Vlad
    Dec 18, 2019 at 7:53
  • This was great, thank you, I was able to have wifi following your instructions. However the web became very slow, I followed a suggestion of inactivating 802. 11n found at edivaldobrito.com.br/… and I lost the wifi! Now I can't recover it back, is there any way to reactivate 802. 11n again? This is what I made: echo "options iwlwifi 11n_disable=1?" >> /etc/modprobe.d/iwlwifi.conf Can I reverse this action?
    – pedro
    Aug 18, 2020 at 9:34

1 Answer 1

Reset to default
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Found a bunch of issues related to your wifi adapter and Ubuntu 18.04, but these two seem promising:

Ubuntu not recognizing wifi device describes how to install the latest intel wifi drivers:

 sudo add-apt-repository ppa:canonical-hwe-team/backport-iwlwifi
 sudo apt-get update
 sudo apt-get install backport-iwlwifi-dkms

WiFi Adapter Not Found: Ubuntu 18.04 suggest a kernel upgrade to 5.3: 

sudo apt install linux-generic-hwe-18.04-edge
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  • I have used it on OS hera (5.1), it worked, but I get an unstable connection (much lower bandwidth than expected).
    – Kerek
    Sep 3, 2020 at 17:17

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