Same thing happened to me when updating from 525 to 535 via additional drivers on Ubuntu 23.04. Video output completely cuts off, couldn't switch to TTY. After a reboot no Nvidia drivers where loaded. In the journal I see:
juli 06 06:15:03 ubuntu gdm3[2630]: modprobe: FATAL: Module nvidia not found in directory /lib/modules/6.2.0-24-generic
no make.log under /var/lib/dkms/nvidia
Edit: Ran the following commands, the driver now appears to be working.
Same thing happened to me when updating from 525 to 535 via additional drivers on Ubuntu 23.04. Video output completely cuts off, couldn't switch to TTY. After a reboot no Nvidia drivers where loaded. In the journal I see:
juli 06 06:15:03 ubuntu gdm3[2630]: modprobe: FATAL: Module nvidia not found in directory /lib/modules/ 6.2.0-24- generic
no make.log under /var/lib/ dkms/nvidia
Edit: Ran the following commands, the driver now appears to be working.
sudo dpkg --configure -a (to fix broken state)
sudo apt install nvidia-dkms-535
flatpak update (otherwise flatpak apps wouldn't recognize my GPU)
sudo reboot