How To Fix A Joystick On Ps 4 Controller. On the back of your controller, you will find a tiny hole - the reset button is inside this hole. Remove the motherboard from the back of the controller.
Now rub the alcohol around the base of the thumbstick, moving the joystick around in circles to expose more of the plastic or rubber cover.
If you see dirt that you can't reach, you can use pressurized air to dislodge it.
Gently wipe around the crevices of the analog stick with a dry microfiber cloth. All that is left is to clean off the old flux with some isopropyl alcohol. Your goal is probably to play wirelessly, but the first step is to make sure that your controller actually works.