More about free download driver sony vaio brightness driver window. Inzone Nov 2, 2012, 5:10 AM.
Here's how i fixed mine: LCD Brightness Control Once you have installed the proprietary Nvidia drivers as suggested above, you may notice that your brightness control keys do not work properly. This is fixable by editing one's xorg.conf file.
Open a terminal window and type the following: sudo nano /etc/X11/xorg.conf This will open your X server configuration (after prompting for your password). You should see a section titled 'Device' that looks as follows: Section 'Device' Identifier 'Default Device' Driver 'nvidia' Option 'NoLogo' 'True' EndSection Append a line so it appears like this: Section 'Device' Identifier 'Default Device' Driver 'nvidia' Option 'NoLogo' 'True' Option 'RegistryDwords' 'EnableBrightnessControl=1' EndSection You will need to restart your graphical server (or reboot) for this change to take effect. I had the same problem and I solved it as follows. Shows how to set up the 3D cube and I am enclosing it because I used the same tool: CompizConfig Settings Manager. That page tells you what to install and how to do it. Once it's installed, open CompizConfig Settings Manager, go to Accessibility Opacity. Click on the Brightness and Saturation/.
Brightness. tab. Enable 'Increase and Decrease Brightness' and set the key combination for it. CompizConfig Settings Manager is a very powerful tool and if you don't know what you are doing, you may damage your Ubuntu system. I would have posted screenshots but it is prohibited to new users. It is fairly simply though.
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