Intel GMA X3100 issues

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http://ubuntuforums.org – Hi. Please bear with me if this has been covered before, I am new to this and there are so many threads to look through I could spend forever just looking to see if anyone has had the same problem. I have an MSI PR600 Laptop which has integrated graphics provided via Intel GMA X3100. The system came with Windows Vista pre-installed. I have now set up the laptop to dual boot with Ubuntu 13.04. The system appears to operate properly and I am able to get a good resolution picture on both the laptop screen and my Samsung Plasma TV however I have had an issue with the brightness on my laptop sc (Hardware)