try without acpi_osi and check if works with changing brightness and if alt+tab gives 3d effect. if not good then try it should work. acpi_osi=nomodeset
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/765438 Title: On startup, the backlight is off on laptop To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/765438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
