It looks like you did not completely remove the 550 driver, or it is somehow still in your dkms tree.
Error! Module version 535.230.02 for nvidia.ko.zst is not newer than what is already found in kernel 6.11.0-26-generic (550.144.03). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2115837 Title: package nvidia-dkms-535 535.230.02-0ubuntu0.24.04.1 failed to install/upgrade: installed nvidia-dkms-535 package post-installation script subprocess returned error exit status 6 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-535/+bug/2115837/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
