I installed a Debian (I've forgotten the exact Version) from a DVD onto a fresh system. Everything seemed to be fine. The grub menu opened and I was able to choose between Debian and Debian Recovery. Both of these choices stopped the boot process at some point (fb: conflicting fb hw usage nouveaufb vs EFI VGA - removing generic driver). With the help of (nouveau.modeset=0) Debian seems to boot correctly. It appears a black screen with the blinking _ cursor. Pressing Ctrl + Alt + F1 opened a full screen console. Everything seems to work except for the GUI.
sudo startx but this gives me an Error
Fatal server error: no screens found
I already searched the WEB and figured out it might have something to do with the Nvidia Card (GTX 950)
I'm open to all new attempts on how to resolve this.