How To Fix Your Ps 4 When It Goes Into Safe Mode. The screen goes blank, the power indicator flashes white, and then turns off. The console will update its software by downloading updates from Sony servers or through pre-downloaded PUP installation files on a USB drive.
Reboot the system after installing the update. It may take a moment to display Safe Mode options. If Safe Mode still doesn't launch, try power cycling your console.
Consider restarting your Console from Safe Mode.
Once thats good download a small game or app to make sure it downloads.
Press and hold the power button on the PlayStation for three seconds. Press and hold the power button until you hear the second beep. Press and hold the power button until your console beeps.