Yes, it was regarding a monitor issue. I have a 2 monitor setup and every time I boot into Ubuntu, one of them has display issues. It basically draws everything onto the monitor and windows for example look like they stay open when closed. It's as if it does not "undraw" things, if you know what I mean.
So, to work around the problem, I thought I could use something like xrandr to change the refresh rate for a second and then change it back. However, when I use that, one of my monitors just switches off, so I have to manually go to preferences->monitors to change the refresh rate back and forth.
Thanks for any ideas.