If your HDMI port is being recognized as DP (DisplayPort), macOS won't send the correct signal.
If your video works but audio remains dead, it's likely a layout-id mismatch. hackintosh hdmi fix
Do not apply fixes randomly. Follow this checklist to identify your specific pain point. If your HDMI port is being recognized as
The monitor says "No Signal." The computer is running, but the display is blind. but the display is blind.
