@Alberto 1) /var/log/nvidia-prime-upstart.log -> http://paste.ubuntu.com/6875487/ 2) /var/log/prime-offload.log -> thers no such log here so i posted /var/log/prime-switch.log -> http://paste.ubuntu.com/6875491/ 3) /var/log/prime-supported.log -> http://paste.ubuntu.com/6875496/
4) /var/log/lightdm/lightdm.log -> http://paste.ubuntu.com/6875502/ 5) /var/log/lightdm/x-0.log -> http://paste.ubuntu.com/6875503/ 6) /var/log/lightdm/x-0.log.old -> http://paste.ubuntu.com/6875505/ So as i said before my booting ends with black screen. Tham if i press CTRL+ALT+F1 i can switch to console where login command shows up -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1274822 Title: latest update breaks nvidia-prime and produces blank screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-prime/+bug/1274822/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs