@Constaintin, In the bug description, you mention that you left 12.04 and returned. Did you perform a fresh install each time?
Also, does the bug go away if you disable the Nvidia card like mentioned in comment #27? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1083738 Title: Booting Trouble With Lenovo T520 (NVS 4200M) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1083738/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs