Chosen Solution
I’ve recently changed TVs and my ps4 doesn’t work anymore. I’ve plugged it into my PSVR, and it shows on the headset. I’ve also used the same hdmi port to use an xbox, there are no issues with the tv.
Have you checked your PS4 video settings to make sure it is outputting a signal your TV can pickup. For example if you have a PS4 Pro turn off HDR and set resolution down to 1080p.