Mostafa: Check the output of: ]$ lspci
What graphics card is listed? If you are running in SPEED mode it will probably be an nVidia card and you should look here for help: https://bugs.launchpad.net/bugs/95444 Mike -- 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 [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
