Cannot change the brightness on my laptop

[Joe Zeff]

On 12/09/2014 03:13 PM, Paul Smith wrote:
> I have just installed Fedora 21 Spin XFCE on my laptop.
>
> Unfortunately, I cannot adjust the screen brightness in the settings:
> I change the brightness in the Settings, but nothing happens.

This may well be specific to Xfce, not Fedora.  You might want to check 
at the official Xfce forum, http://forum.xfce.org/index.php and see what 
they have to say.