Thank you to Noel J.Berman. I have installed the new nvidia driver with sudo aptitude install nvidia-glx-180 after a verification with synaptic that it was the good driver (180.29).
Furthermore I have done after an update which includes nvidia-180-modaliases (180.29-0ubuntu1) to 180.29-0ubuntu2 And magically everything was solved (including the choice of visual effects in appareance. -- Latest Xorg removes nvidia driver ... conflicting xserver-xorg-video-4 https://bugs.launchpad.net/bugs/308410 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
