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by: Taxuewuhen
#45354
The HD77xx series has a problem with the screen in MAC OS 10.10 plus, I tried to solve it.
Here is the solution:
  1. Extract the AMDRadeonX4000 acceleration driver to your desktop. He is in the /System/Library/Extensions directory.
  • Right click to display the contents of the package and open info.plist with a text editor
  • Find "cail_properties" under "AMDVerdeGraphicsAccelerator"and Change them to.
    Code: Select all
    <key>cail_properties</key>
    			<dict>
    				<key>CAIL_DisableDrmdmaPowerGating</key>
    				<integer>1</integer>
    				<key>CAIL_DisableDynamicGfxMGPowerGating</key>
    				<integer>1</integer>
    				<key>CAIL_DisableGfxCGPowerGating</key>
    				<integer>1</integer>
    				<key>CAIL_DisableGmcPowerGating</key>
    				<integer>1</integer>
    				<key>CAIL_DisableStaticGfxMGPowerGating</key>
    				<integer>1</integer>
    				<key>CAIL_DisableUVDPowerGating</key>
    				<integer>0</integer>
    				<key>CAIL_DisableVCEPowerGating</key>
    				<integer>1</integer>
    			</dict>
    QQ20190204-092949.png
    QQ20190204-092949.png (131.78 KiB) Viewed 245 times
  • Install and rebuild cache and permissions using the kext Wizard
QQ20190204-093641.png
QQ20190204-093641.png (53.5 KiB) Viewed 244 times
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