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[ubuntu] Screen Flicker Using Nvidia Graphics Card

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http://ubuntuforums.org – Hi guys, I'm new to Ubuntu but I just took a course in Unix so I know a little bit about command line. I'm running Ubuntu 11.04 and there is a screen flicker that occurs on various sections of the screen at random times roughly spaced a couple minutes apart. I think it could be an issue with the graphics driver. The Additional Drivers utility tells me that NVIDIA accelerated graphics driver (version current) is activated but not currently in use. I'm using a GeForce Go 7950 GTX. Any help would be greatly appreciated. Please let me know if I should post any log files or additional informat (Hardware)