Same problem here using Squeeze. I just installed a few days ago. Also a Samsung Q45 laptop.
$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (rev 03) $ ls -lah /sys/class/backlight/ total 0 drwxr-xr-x 2 root root 0 Aug 15 16:59 . drwxr-xr-x 42 root root 0 Aug 14 23:04 .. -- To UNSUBSCRIBE, email to debian-x-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/4c680415.1060...@gmail.com