Exactly this. I remember when I upgraded Ubuntu 14 to Ubuntu 16 and the GUI stopped working and was dumped to the command line. Luckily I had a Linux guru arou

Exactly this. I remember when I upgraded Ubuntu 14 to Ubuntu 16 and the GUI stopped working and was dumped to the command line. Luckily I had a Linux guru around to fix it, because otherwise my only alternative would have been to reinstall it - seeing how many esoteric steps he did to debug and fix it there is no way I could have googled my way out of it.