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Mac Mini :: Displays Showing A Yellow Checkerboard Pattern?

2010 Mac Mini, 10.7.3, dual DVI displays. - Several times a day, it shows a yellow checkerboard pattern in some windows. So far, it's appeared in Chrome, Entourage and Excel 2008. The problem occurred both before an after we upgraded the RAM. These checks appear sometimes when scrolling, sometimes while waiting for a web page to load. They go away generally with the same actions... clicking, scrolling, etc.  

View 10 Replies (Posted: May 18, 2012)

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