I am trying to install my TP-link T9UH wifi adapter. I have tried to official driver and the version from this post but it is not working. I downloaded the driver from the repository listed in the previous post and ran the following command from inside the directory: sudo ./dkms-install.sh I get the following error: About to run dkms install steps... mkdir: cannot create directory ‘/usr/src/rtl8814AU-4.3.21’: File exists fatal: Not a valid...
Originally asked by user3576842 on Stack Exchange (askubuntu) (CC BY-SA 4.0).
