I have also this issue, using both dapper and edgy on an hp nx7400 and an Acer 5612wlmi (both with intel 950gma). If I use vbesave dpms off the backlight goes off, with gnome-power-manager, xset dpms force off, the backlighy remains on.
I have also this issue, using both dapper and edgy on an hp nx7400 and an Acer 5612wlmi (both with intel 950gma). manager, xset dpms force off, the backlighy remains on.
If I use vbesave dpms off the backlight goes off, with gnome-power-