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ATI HD5450 Graphics and HDMI audio not working. AMD

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I installed mav 10.9.0  niresh usb successfully on my amd machine.


the safari browser is very laggy , installed kexts by apfelminister. for HD5450  the x3000.kext and x5000.kext 


although did not update to 10.9.4 mav






fixed permissions via kext wizard.


 the display shows spdisplays_display 5 MB 


I dont know what is the issue. 


My Audio via HDMI also not working


please help


athlon x2 4200+

XFX ati 1GB HD5450



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Add your Device ID to ATi5000controller.kext and ATiReadeonx3000.kext.
Go to System/Library/Extensions 
then find one of the above Kexts and show package contents  
add you dev id to info.plist under IOPCIMatch
Use the App System Info to Find Device ID of Graphics Card


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I tried Go to System/Library/Extensions that does not open up it says cannot find. what can be the issue.

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