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by lllaass,Sep 21, 2016 12:20 PM in response to Genevieve from Cincinnati
lllaass
Sep 21, 2016 12:20 PM
in response to Genevieve from Cincinnati
Level 10 (189,609 points)
DesktopsWhat model Mac Pro desktop?
What graphics card is installed?
This is the Mac Pro desktop forum.
You likely have a bad video card.
If you really have a MacBook Pro notebook then see: