I recently grabbed an old VGA flatscreen monitor (HP 2011x) third hand to use as a second display.
Right out of the gate I had a problem: Under Ubuntu 16.04LTS KDE would not see it as anything other than a 1024x768 monitor Even though it supports 1600x900. After some playing around I think I have a way to manage things that makes sense for me under KDE.
You can use …