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Ubuntu 12.10 Screen Brightness on Sony VAIO T15

March 3rd, 2013 Comments off

I recently picked up a new Sony VAIO T15 ultrabook laptop. A really nicely designed laptop for a good price. After repartitioning, I was able to install Ubuntu 12.10 in a dual-boot arrangement fairly easily and Ubuntu worked well out of the box. However, screen brightness controls using Gnome power manager did not work out of the box and I had to to some hacking to get at least a bit of control.
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