I also have a Dell Precision M4400 (BIOS A16) Using acpi_osi=\"Windows 2006\" had no effect.
Using acpi_osi=\"!Windows 2009\" works for me. -- Video out hot key sends super + p + return on many upcoming Dell & HP systems https://bugs.launchpad.net/bugs/539477 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-settings-daemon in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
