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2.2 GHz (Turbo Boost up to 3.4 GHz) or 2.5 GHz (Turbo Boost up to 3.7 GHz) quad-core Intel Core i7 processor with 6MB shared L3 cache.

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Screen has white vignetting

My MBP screen went white (ultra low contrast) and has since had a white vignetting around screen. Possible bad gfx card? I have turned off switching. Use professionally.

MacBook Pro (Retina, 15-inch, Mid 2014) NVIDIA GeForce GT 750M 2048 MB

Intel Iris Pro 1536 MB

Answer this question I have this problem too

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Using this tool you can turn off the discreet GPU to test out if that is the issue gfxCardStatus

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Larry Taylor will be eternally grateful.
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