My hackintosh had a problem with the screen going black when the brightness of the screen was minimized. So I googled and found a solution.
GitHub - acidanthera/WhateverGreen: Various patches necessary for certain ATI/AMD/Intel/Nvidia GPUs Various patches necessary for certain ATI/AMD/Intel/Nvidia GPUs - GitHub - acidanthera/WhateverGreen: Various patches necessary for certain ATI/AMD/Intel/Nvid.....
