Typically the reason that idle dimming won't work is that your particular hardware doesn't support dimming through HAL only through the video driver. Could you see if the brightness applet works for adjusting the backlight level?
-- reduce backlight brightness / dim display when idle https://bugs.launchpad.net/bugs/220657 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs