I can press c+a+f1 and log in that way so no big deal I lost the gui login. When I type # /etc/init.d/gdm3 start if says failed.
I have followed two different ideas on what would/should work but have had no luck.
-from Samiux
# apt-get install nvidia-detect nvidia-libopencl1 nvidia-opencl-common nvidia-support nvidia-opencl-icd nvidia-visual-profiler nvidia-glx nvidia-installer-cleanup nvidia-kernel-common nvidia-smi nvidia-alternative nvidia-opencl-dev libglx-nvidia-alternatives nvidia-kernel-dkms nvidia-cuda-toolkit nvidia-vdpau-driver nvidia-xconfig glx-alternative-nvidia libgl1-nvidia-alternatives nvidia-settings libgl1-nvidia-glx xserver-xorg-video-nvidia libcublas4 libcudart4 libcufft4 libnpp4 libnvidia-compiler libcuda1 libcuinj4 libnvidia-ml1 libxvmcnvidia1 libcusparse4 libcurand4 python-pycuda-doc python-pycuda-headers python-pycuda nvidia-cuda-doc nvidia-cuda-gdb
######### rebuild 2
# apt-get install nvidia-glx nvidia-kernel-dkms nvidia-xconfig
Same thing upon reboot both times. No gui login, just blinking _ , but I do have access to files command line. I can work command line if I must, but I'm thinking someone might have a helpfull hint.

I am running an XPS L702X quad-core, with a gt555m graphics card.

On another note the card worked in r3 with pyrit