How To Fix A Playstation 4 In Safe Mode. When you turn the Playstation back on, hold down the button to hear one beep and keep holding it for seven more seconds to hear another. Use the controller to select Power → Turn Off from the function screen.
How to Fix PS4 Problems by Rebuilding the PS4 Database (Nathaniel Sutton)
When you turn the Playstation back on, hold down the button to hear one beep and keep holding it for seven more seconds to hear another. RAM issues can cause instability, leading to frequent crashes. Release it after you hear the second beep — one beep sounds when you first press, and another seven.
Users must then delete the file.
I also do a step by step walk through how to access the safe mode feature using.
How To Fix PlayStation 4 Controller Won't Turn On - YouTube
PS4 Stuck In Safe Mode Loop | Fixed by Expert | PS4 Storage
Type in cmd and hit Enter. Consider rebuilding the database and clearing the cache from Safe Mode. You should now be able to use the controller to navigate the menu.