PlayStation 4 Safe Mode is a good option to troubleshoot problems you may encounter with your console. Starting your PS4 in Safe Mode can help you troubleshoot as well as deal with an issue. The Safe Mode menu also includes options to change the resolution of your console. And rebuild its storage database, and restore the device to factory settings.
According to business insider, you can put your PS4 into safe mode with these steps:
1. Turn off your console by pressing the power button for 3 seconds, after flashing several times, the PS4 will turn off.
2. Press and hold the power button, releasing your finger only after the second beep. This should take about 7 seconds.
3. The PS4 will start in Safe Mode, make sure your console is connected to the console, and hit the PS button.
What does safe mode do?
When the PS4 boots in safe mode, you’ll be taken to a screen with eight options:
• Restarting the system is the easiest way to exit Safe Mode. This option forces your PS4 to restart normally.
• Change the resolution by switching the screen resolution to 480 pixels as soon as the controller is restarted, which may help you solve screen problems.
• It allows you to update your console software via direct download or a USB drive or disk.
Restoring default settings resets your console to factory settings without deleting games, apps, or other data.
• Database rebuilding adds all of your content to a new database on the system, which can solve system feature issues, such as the app icon not disappearing after deleting the app.
Formatting the PS4 resets your console to its original settings and deletes all user data and settings.
Formatting the PS4 (reinstalling the system software) removes your console’s firmware and deletes all user data and settings.
• HDCP mode setting applies to images that do not appear on 4K TVs that are not compatible with HDCP 2.2, this setting allows you to choose HDCP 1.40 to display images that will not appear on the TV.