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  1. jaxparo

    10.10.3 Update Black screen with cursor

    It appears disabling kext signing may have been rash. There is 'local code signing' which would enable the modified info.plist kext only for my computer. I think the correct Terminal command is "sudo codesign -fs - /System/Library/Extensions/AMDRadeonX4000.kext" which should have enabled the...
  2. jaxparo

    10.10.3 Update Black screen with cursor

    Great! You solution seems to work. How did you discover this? I'm on a real Mac that unsupported for Yosemite, Mac Pro 1,2 w/Radeon HD 7750. When I edit the info.plist it kills the Apple kext signing, and won't load, so I was forced to disable kext signing using the Terminal command "sudo nvram...
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