Hi Ebon,
I am running a NVidia GTX-960 iin Debianbookworm and it is working lie a charme.
No problems with any of the apps, Greg mentioned. KDE, Steam games and everything elese is working great.
FYI I am running a backport kernel, it is 6.9.7+bpo-amd64.
If your card is not detected, check, if the neouveau kernel module is blacklisted. There should be an entry in /et/modprobe/ named "nvidia-disable-nouveau.conf", which is creatred during install.
If not, either create one manually or delete the kernel nouveau module manually.
Ok, let us guess, it is already blacklisted and not loaded.
Check., if it is NOT loaded and if nvidia kernel modules ARE loaded:
lsmod | grep nouveau
lsmod | grep nvidia
Is the kernel module "nvidia" running?
Well, for testing purposes move any login manager tewmporarly out of the way (these are /usr/bin/lightdm, /usr/bin/kdm, /usr/bin/sddm and whatever you have.) .
When you now reboot, you will get just the console, but if you give the command "startx" as root, X-Server should start. If NOT, it will show you the reason why. Please tell us, what it said.
If it is now starting well, you are good and can move your loginmanagers back. After reboot, it should automatically starting the -Server witrh a login greeter.
If still not, check, if the kernel does see the hardware. Use the command "lspci" and look, if the graphics card is seen.
If yes, then you are good.
If this does not help, and you need further assistance, please let us know and provide any information you got, especially all messages, exact bahaviour, what you did and how and so on.
List of installed packages:
protheus1:~# dpkg --get-selections | grep nvidia | egrep -v deinstall
firmware-nvidia-gsp install
glx-alternative-nvidia install
libegl-nvidia0:amd64 install
libegl-nvidia0:i386 install
libgl1-nvidia-glvnd-glx:amd64 install
libgl1-nvidia-glvnd-glx:i386 install
libglx-nvidia0:amd64 install
libglx-nvidia0:i386 install
libnvidia-cfg1:amd64 install
libnvidia-egl-gbm1:amd64 install
libnvidia-egl-wayland1:amd64 install
libnvidia-egl-wayland1:i386 install
libnvidia-eglcore:amd64 install
libnvidia-eglcore:i386 install
libnvidia-glcore:amd64 install
libnvidia-glcore:i386 install
libnvidia-glvkspirv:amd64 install
libnvidia-glvkspirv:i386 install
libnvidia-ml1:amd64 install
libnvidia-pkcs11-openssl3:amd64 install
libnvidia-ptxjitcompiler1:amd64 install
libnvidia-ptxjitcompiler1:i386 install
nvidia-alternative install
nvidia-cuda-mps install
nvidia-driver install
nvidia-driver-bin install
nvidia-driver-libs:amd64 install
nvidia-driver-libs:i386 install
nvidia-egl-common install
nvidia-egl-icd:amd64 install
nvidia-egl-icd:i386 install
nvidia-installer-cleanup install
nvidia-kernel-common install
nvidia-kernel-dkms install
nvidia-kernel-source install
nvidia-kernel-support install
nvidia-legacy-check install
nvidia-modprobe install
nvidia-settings install
nvidia-smi install
nvidia-support install
nvidia-tesla-alternative:i386 install
nvidia-tesla-driver install
nvidia-tesla-driver-bin install
nvidia-tesla-kernel-source install
nvidia-vdpau-driver:amd64 install
nvidia-vdpau-driver:i386 install
nvidia-vulkan-common install
nvidia-vulkan-icd:amd64 install
nvidia-vulkan-icd:i386 install
xserver-xorg-video-nvidia install
Good luck!
Best regards
Hans