I have the 2000m nvidia card (w520 model 4284-49G) using 64 bit ubuntu 11.01
maybe you can try to set the same bios settings display to discrete autodetect off intel amt disabled security chip inactive memory protection off virtualization on -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776999 Title: Lenovo W520 laptop freezes on ACPI-related actions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
