Just to comment that the fix: 'sudo dpkg-reconfigure -phighxserver-xorg' does *not* solve the problem for me.
As stated above, the problem (for me) seems to be related to using the nvidia driver. If I use nv then I don't get the black screen, and I can switch (and view) the terminals via ctrl+alt+F1 etc. -- Screen locks up black on laptop lid close. https://bugs.launchpad.net/bugs/49521 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