Sean, could you replace /usr/share/hal/fdi/policy/10osvendor/10-laptop-panel-mgmt-policy.fdi with attached file, do "/etc/dbus-1/event.d/20hal restart" (or reboot your computer) and check if brightness control works?
Sean, could you replace /usr/share/ hal/fdi/ policy/ 10osvendor/ 10-laptop- panel-mgmt- policy. fdi with attached file, do "/etc/dbus- 1/event. d/20hal restart" (or reboot your computer) and check if brightness control works?