1) can you boot with the external display connected and attach the following files: /var/log/Xorg.0.log /var/log/Xorg.0.log.old /etc/X11/xorg.conf
2) What do you mean by "The next day I connected the MacBookPro to external LCD monitor and from Windows, Ubuntu and MacOS it didn't detect the external LCD monitor!"? Are you saying that it doesn't work on Windows and MacOS too? -- nvidia-settings corrupt LCD monitor detection https://bugs.launchpad.net/bugs/253975 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
