What exactly doesn't work for you, the PPA solution or "sudo setpci -s 00:02.0 F4.B=50"? sudo setpci -s 00:02.0 F4.B=CC works for me on the same N150 and should work for you. Of course, it's just a workaround, but I put it into a shell script in my path, so it doesn't bother me anymore.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/574250 Title: SAMSUNG N150 Laptop : Brightness issue -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs