Also, you could try booting a liveCD (or liveUSB) of Jaunty alpha4, which has improved support for backlight on Intel in Sony.
http://cdimage.ubuntu.com/releases/jaunty/alpha-4/ -- Backlight dimming not working in Hardy or Intrepid because of wrong XRandR BACKLIGHT_CONTROL setting https://bugs.launchpad.net/bugs/176888 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
