[Newbie] - Caught exception on dellLcdBrightness

[Erik Andrén]

Leonel Gayard wrote:
> Hi,
> 
> As stated in the title, this is a newbie asking.
> 
> When using the script dellLcdBrightness, to try to set the brightness
> value of my LCD screen, I've ran into the following error:
> 
> ~$ sudo dellLcdBrightness -a -v 4
> Read AC Mode Setting
>     current: 7
>     min: 0
>     max: 7
> 
> Write AC Mode Setting
> An Error occurred. The Error message is:
> Unsupported SMI call.

Please make sure you have loaded the 'dcdbas' kernel module.

Regards,
Erik

> 
> I'm using a Vostro 1000 with a Turion 64 CPU. It is a dual boot on
> Windows XP and Ubuntu 7.04; I've been trying to use the script
> dellLcdBrightness because the brightness keys are behaving strangely
> on Ubuntu (they work fine under winXP).
> 
> Is that because I'm on a 64 bit kernel ? What could cause that error ?
> Any ideas on where to look for ?
> 
> []'s
> Leonel
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