Remove black edges / borders (underscan) from monitor and fix bluriness on Ubuntu 20.04

Title is self explanatory, and the blurriness is actually due to the underscan. I'm just posting this so I can answer it myself, since I struggled with this for ages.

1 Answer

Despite having set xrandr --output <display_name> underscan off (and every other setting under the sun), when I did the following that was when my issue was fixed:

xrandr --output HDMI-A-0 --set "underscan vborder" 0 xrandr --output HDMI-A-0 --set "underscan hborder" 0 

I hope this is permanent, but I don't think so. That's the next step, but at least it's working for now!

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