Same problem here with Sony SZ3XWP, nvidia card, Fn keys work fine to manually dim the monitor but the applet doesn't work, neither does the automatic dimming when I unplugged the laptop. When I do so, I can see the brightness applet appear momentarily ont he screen but the screen isn't dimmed.
Same problem here with Sony SZ3XWP, nvidia card, Fn keys work fine to manually dim the monitor but the applet doesn't work, neither does the automatic dimming when I unplugged the laptop. When I do so, I can see the brightness applet appear momentarily ont he screen but the screen isn't dimmed.