White pixels in upper corner of viewer on Mac
a block of white pixels appear almost continuously in the upper left corner of the viewer. It remains no matter what sim I'm visiting. The pixels fluctuate.
MacBook Pro 15-inch, Mid 2010, Processor 2.66 GHz Intel Core i7, Memory 4 GB 1067 MHz DDR3, Graphics NVIDIA GeForce GT 330M 512 MB
Is this even an issue on 10.8?