Safe mode provides options to fix your database, perform a PS4 factory reset, or change the system’s resolution.

How To Fix Corrupted Data On PS4 First of all, switch off your PS4 (properly!) for about 20 minutes. Afterwards, you’ll need to boot up your system again in Safe Mode.

Try Safe Mode Options to Fix Software Issues In rare cases, PS4 HDMI problems stem from system software issues rather than hardware. You can try using Safe Mode to fix software: ...

Having trouble with your PlayStation 4 lately? Going into Safe Mode on your PS4 might be something to look into and here's how to do it.