Warning!
Check the kernel version before continue. If uname -r
output is 5.0.0-38-generic
, DO NOT install iwlwifi-backport driver on your machine as it leads to system freezes when Wi-Fi is turned on.
The link in the accepted answer is dead so I'm pulling the referenced solution from Google cache and leaving it here for future seekers.
Killer AX1650 In Debian/Ubuntu 16.04+
Some users have expressed a desire to use the Killer AX1650 in
Debian-based Linux. If your version of Linux does not support the
Killer Wireless AX1650 at install, and you are using Ubuntu 16.04 or
later, or another version of Debian Linux, you can use this guide to
backport the drivers from the latest version of Ubuntu/Debian,
enabling the Killer AX1650 in 16.04 or later. We have confirmed that
this will result in wireless connectivity in Ubuntu 16.04 with the
Killer Wireless AX1650.
If the device you are attempting to install WI-FI drivers on has NO
Internet access at all, please refer to the following article
Please note that Secure Boot must be disabled in your BIOS before
following these steps. If you are unsure how to disable Secure Boot,
please refer to your machine or motherboard’s support materials or
website.
Type or copy and paste the following commands in a terminal, one line
at a time, pressing Enter after each command.
$ sudo apt-get install git
$ sudo apt-get install build-essential
$ git clone https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git
$ cd backport-iwlwifi
$ make defconfig-iwlwifi-public
$ make -j4
$ sudo make install
Additionally, you will need to ensure you have the latest iwlwifi
firmware:
$ sudo git clone git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
$ cd linux-firmware
$ sudo cp iwlwifi-* /lib/firmware/
Then restart.
Once you have done this, you should be able to connect to your
wireless access point.
How to disable Secure Boot? See
Alienware Ubuntu Based Systems: Disable Secure Boot to Modify or Replace the bootloader
ubuntu 18.04
viasudo apt install --install-recommends linux-generic-hwe-18.04 xserver-xorg-hwe-18.04 && sudo apt upgrade