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Poor graphic performance - GTX660

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I successfully managed to install Mavericks (10.9.0).

Audio and network are working but.. i have some problems with graphics performance.

As read here  i downloaded and installed those kexts, repaired permission and reboot with -F -f -v GraphicsEnabler=No

Got stuck several times until i successfully booted with these flags: -v npci=0x3000 USBBusFix=Yes GraphicsEnabler=No

Unfortunately this didn't change anything. Audio and network are still working and graphics issues are stil there.

Example: when i move/scale Finder its flashy. | when i open LaunchPad i see icons appearing one by one


Do you have any idea?


Complete spec:

ASUS M5A97 R2.0

AMD FX8320e


8GB 1600mhz

SSD840 - 120GB

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