Originally Posted by rainerklier
This does not work on my system any more.
After updating to this new driver, the brightness control does not work any more.
The notbook display is very dark, nearly unreadable.
I have the same issue on my Dell Vostro 1500 with a GeForce 8600m GT. On my system, however, brightness is not controlled by the GPU and nothing about backlight ever shows up in xrandr's output.