Qtile will set your resolution automatically and will detect dual screen as well.

There are just a few applications to remember to be able to figure out what to do if you have problems with your resolution on a Virtual Box machine.

• xrandr
• arandr
• gtf

We will show you in the video what I did in the past to fix it.

We keep the script around for the 'just in case' scenario in order to help our users.