FixEDID, in case of HDMI video and audio working, but the laptop screen is black and hotplug causes kernal panic, use this and DarwinDumper to Override EDID. [Reference 1](https://www.tonymacx86.com/threads/override-edid-for-display-problem.47200/) [Reference 2](https://www.tonymacx86.com/threads/laptop-screen-goes-blank-when-plugging-in-external-monitor.226226/page-5)