Brightness applet works in KDE but not in Gnome

[Mario Vukelic]

On Mon, 2009-03-09 at 14:35 -0700, Nolan Cooper wrote:
> Karl
> Just a thought, Do you have the ACPI enabled in the BIOS for the 
> desktop computer?
> 
> I would think this would be needed before  The PMBA could be used.

The brightness applet changes the physical brightness of the lamps of
the laptop screen. You cannot do this over a video cable to an external
monitor. That's why external monitors have their own screen brightness
buttons :)