I can confirm this bug with an HP dv7-6b78us laptop under Kubuntu 11.10. I was able to fix the issue by adding acpi_backlight=vendor to /etc/default/grub and then running: sudo update-grub
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/847187 Title: Backlight control on HP Pavilion dv7 notebook doesn't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/847187/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
