the "graphic card" would be Intel's HD Graphics...
edit: the problem seems to be (somewhat) debian related. I found this on SE (see first answer):
https://unix.stackexchange.com/questions/207855/cant-get-int...
EDIT 2: After installing the correct drivers from the backport repository it finally works!! Thanks for your support!
The day will come when graphics drivers aren't a pain. It really will. I have faith, and have for decades... ;)
the "graphic card" would be Intel's HD Graphics...
edit: the problem seems to be (somewhat) debian related. I found this on SE (see first answer):
https://unix.stackexchange.com/questions/207855/cant-get-int...
EDIT 2: After installing the correct drivers from the backport repository it finally works!! Thanks for your support!