Some help please
Some additional information would be very helpful.
In the Terminal of your Ubuntu run this and post the results:
If you input this "ASUS PCE-AC68 Wireless PCIe Card + Linux" into your search engine there are some posts which indicate people have got this card to work under Linux. There are also some useful links in those posts.
www.linuxquestions.org 
forum.manjaro.org 
askubuntu.com
In the Terminal of your Ubuntu run this and post the results:
If you input this "ASUS PCE-AC68 Wireless PCIe Card + Linux" into your search engine there are some posts which indicate people have got this card to work under Linux. There are also some useful links in those posts.
ASUS PCE-AC68 (Wireless card)
Hey all slackers, I just bought an Asus PCE-AC68 to my PC to get rid of my Ethernet-cable. To my frustration, it looks like PCE-AC68 do not have Linux
Assistance with Asus PCE-AC68 wireless card driver install
I saw their was a post on the USB version, but not on the PCI express version. As with the other guy, I’m completely new with Linux. Meaning, I spent the past 2 days just trying to get it to load of the computer, having failed majaro twice, then trying and failing solus, and finally getting...
forum.manjaro.org Asus PCE-AC88 on Ubuntu 18.04
Does the card Asus PCE-AC88 work out of the box on Ubuntu 18.04 ? There are some informations about its compatibility with Ubuntu, for example here: Installing Broadcom Wireless Drivers or there:
askubuntu.com 
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