I tried a rest run with Kubuntu on an old laptop I had, and it runs 95% flawlessly. My biggest issue is my new Brother printer that I'm trying to install connected to Wi-Fi. The system sems to know it's there, but then doesn't seem to install the drivers. My Android phone prints there just fine.
I thank you sincerely for getting back to me on this. I wanted to let you know I just figured it out! I thought I'd document it for the next person to come along.
I had tried all of the options in that screenshot, and none seemed to work.
I had done all that, but I still had a problem. Digging through the script output, apparently I had a bad "libsane" installed with apt. Also, to add to the problems, apt doesn't recognize the string "libsane" now. We are to use its new name "libsane1" now in apt! So, I tried to reinstall and then reinstall the brother printer drivers, to no avail. Eventually, I had to completely uninstall libsane, and then reinstall it. And everything magically worked.
It's so easy! 🤨
One thing to be ready to have is the IP number of the printer, which I was able to get in the WiFi options of the printer.
Whew! Test page printed on my test machine! I feel like this was my last major hurdle before adopting Linux on other machines.