You need to purge the nvidia driver, you can't use it unless it's possible to disable the intel driver from the bios. The nvidia GL lib interferes with the intel driver.
** Changed in: xorg (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/982311 Title: something about optimus To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/982311/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs