Go to File -> Export -> config.plist (or copy the XML code into your DeviceProperties ). 4. Common Troubleshooting Flags
Believe it or not, many "HDMI issues" are cable issues. macOS is terrible at handling degraded signals. Use a or an Ultra High Speed HDMI (48Gbps) . Do not use a 10-year-old cable. Also, try a DP-to-HDMI adapter . Often, converting DisplayPort (which macOS loves) to HDMI (which your monitor loves) bypasses the issue entirely. hackintosh hdmi fix