I'm currently migrating to openbox without gnome session. In unity i can use the vendor keys to set the screen brightness, but in openbox I'm on my own. /sys/class/backlight/acpi_video0/brightness ...
I have a VAIO VPC-SA laptop, with an Ubuntu 11.4 installed. The problem lies in the strange screen blinking/noise which is mostly noticeable in grey gradients and causes eyes fatigue and pain after ...