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Dark Colors Pixelated After Security Update 2012-001 on 9500GT

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I installed the Security Update 2012-001 about two weeks ago and after rebooting my system all dark colors were strangely pixelated (on Safari and everywhere else).


Here's an example:




Notice how pixelated it is to the left.


And in Safari (look at the glossy stuff):




I looked at my S/L/E folder after the update and saw that the last modified kexts (on the same day I updated) were the IOGraphicsFamily.kext and the IONDRVSupport.kext. So perhaps that has something to do with it. I tried using an older version of the IOGraphicsFamily.kext but to no avail.


It's a minor annoyance but I would like to get rid of it.


Nvidia 9500GT

Gigabyte 890GPA-UD3H

AMD 1055T


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