How To Fix Ps 4 Turning On And Off. If the system won't stay on long enough for you to. Just note that any unsaved data will be lost.
Turn the console off by holding the power button even if the console seems to be off already.
Like so, the PlayStation turns on by itself.
Go to Settings and select System. Disconnect the power cable of the console from your electrical outlet. Once it's plugged back in, you can attempt to turn the console on.