I have a sony vaio laptop also and the path for changing the brightness for me is at /sys/class/backlight/sony/ ; as a workaround i use "echo $value > /sys/class/backlight/sony/brightness" does that works for you guys? Do you have an entry regarding the laptop_panel in hal-device- manager?
** Changed in: gnome-power-manager (Ubuntu) Importance: Undecided => Medium -- [regression] gnome-power-manager laptop backlight not working on VAIO VGN-FSxxx https://bugs.launchpad.net/bugs/152731 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
