How To Fix Ps 4 Not Connecting To Hdmi. Changing the Resolution in Safe Mode. If you have other devices connected to your screen (sound bar, home theater, game capture devices, etc.), disconnect them to see if this fixes the issue.
Press the PS button to bring up the Safe Mode menu. Then, let it sit for at least two minutes before reattaching all the cables and powering on your system. This will identify if the HDMI cable itself is causing the problem.
Open the PS Remote Play app.
Tip: Make sure each pin has its own solder connection.
However, there are a few ways to fix the no connection alert, and I'll cover the most common solutions below.. You will hear one beep when you begin to press and hold the button, and a second after about seven seconds. Press the PS button to bring up the Safe Mode menu.