Hi all ! Hope you guys can give me some hints about how to fix this problems.
I'm running Kali-rolling 2016.1 and after i gave
apt-get update && apt-get upgrade && apt-get dist-upgrade
it normally downloaded and installed all updates, however something went wrong and i just see polygons instead of letter and numbers in GUI. However, i can clearly see what i type.



And this is how it appers. Now, i've alredy had Kali-rolling on my pc, it was updated and well-working. Today I reinstalled it cause of some problems not related to updates and strangely that happened.
Any hint ? i wouldn't reinstall it again and download updates again (as it take hours cause of my slow internet connection)

Thanks everyone who can give an hint