How To Fix Ps 4 Controller Wont Turn On. Once unplugged, it turns off and can't use it wireless. Check for a loose USB connection.
Go to Settings > Devices > Controllers > Update System Software. Once it's shut down, connect the problematic controller to your console with a USB cable. To do this, turn off your console and controller.
Turn off the console by pressing and ho.
Use a microfiber cloth to slightly dampen with the solution.
Use a small, unfolded paper clip (or something similar) to press and hold the reset button for at least five seconds. If there is an update available, then you should update. To do this, turn off your console and controller.