I finally found the fix for my particular problem by logging in with XOrg vice Wayland. https://askubuntu.com/questions/961304/how-do-you-switch-from-wayland-back-to-xorg-in-ubuntu-17-10 I had to log off the session, select my username, then the gear shows up. Select Ubuntu XOrg, put in password and log back in. Re-attempted to connect to PC from my phone, and bam, it worked. There is some explination about why on askubuntu, but I just know it worked for me.
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