The lastest update also breaks my computer, which uses NVidia graphic card. I tried purging nvidia-prime and nvidia-331 ( or nvidia-319) and everything went to normal. This might imply that the package that break this would be something related to Xorg.
** Attachment added: "This is the log Xorg produced when the screen turns complete blank" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1085541/+attachment/3962819/+files/Xorg.0.log.old -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1085541 Title: Regression: Latest updates break X [HP dv6 laptop] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1085541/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs