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ATI Mobility Radeon HD 550v/4650(1002_9480) OS X 10.9 (13A603) Mavericks

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Kexts for ATI Mobility RadeonHD 550v/4650 (1002_9480).



Patched by me, works also HDMI/DVI output. Thanks bcc9 & crazybirdy for their great effort -





Delete only AMD4600Controller.kext.


Install these two kexts with kext utility or others kext installer.




Done !!!

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hey hows it going,


was wondering if your fix would apply to my problem as well; I ask because the .kext you said to delete is the same .kext I already deleted to somewhat fix the problem (iMac 10,1 27" with ATI Radeon 4670/Yosemite, system boots fine but then the screen would freeze with just the mouse cursor moving around).


i found a thread matching exact problem here:  http://www.pauloamgomes.net/blog/fix-weird-os-x-freeze-imacs-late-2009

and after doing his fixes(cause he lists two) - my inquisitive nature wants to know - do I really need to run the fan software tool?)


any help would be appreciated,


thank you in advance

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