You can turn a PS4 off or on using either the power button located on the console or a paired or connected controller. Here's ...
There are several ways to turn off a PS4 controller, including holding the PS button for a few moments, using the Quick Menu, ...
Clean the "on" button, check the cable connections, and check for a software update The PlayStation 4 can sometimes shut off by itself soon after you turn the system on or after you've been using it ...