If your PlayStation 4 is not displaying video or audio from your HDMI ports, there are a few things you can do to try and fix the issue. First, make sure that all of your cables are plugged in correctly and that the HDMI ports on both the PS4 and your TV are properly connected. If you’re still having trouble, try resetting your PS4 by holding down the power button for 10 seconds. If that doesn’t work, you may need to replace your PS4’s HDMI port. ..