Same problem in 13.04. Setting /etc/default/grub and change the cmdline to:
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux" Then update-initramfs makes Fn L/R buttons work. Brightness applet still doesn't work, but at least it remembers the Fn keys work. uname: Linux sean-Aspire-4736Z 3.8.0-30-generic #44-Ubuntu SMP Thu Aug 22 20:52:24 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/392948 Title: LCD Brightness won't Change - intel 4 series To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/acpid/+bug/392948/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
