If your PlayStation 4 is not displaying video or audio through its HDMI port, there are a few things you can do to try and fix the issue. Here are some tips on how to troubleshoot and fix a PS4 HDMI port:

  1. Make sure that the HDMI cable is properly plugged into both the PlayStation 4 and the TV.
  2. Try restarting both devices if the problem persists.
  3. If all else fails, try replacing the HDMI cable with a known good one. ..