I ran FWTS on my system and it gave the following: ADVICE: The ACPI video driver has found a duplicate ACPI video bus device for the same VGA controller. If the current driver does not work, one can try to work around this using the video.allow_duplicates=1 kernel parameter.
Note: Dell D420, Ubuntu 14.04, kernel: 3.11.0-14 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/995456 Title: Duplicate ACPI video bus devices for the same VGA controller To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/995456/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
