How To Fix Ps 4 Left Stick. Use a small, unfolded paper clip (or something similar) to press and hold the reset button for at least five seconds. Rotate the stick again, both unpressed and pressed.
If you see dirt that you can't reach, you can use pressurized air to dislodge it. Connect the controller to the console with a USB cable, and press the PS button. Power on the controller once more.
Wipe off the circuit board with a paper towel.
Make sure it is properly seated and that all the contacts line up with the holes in the circuit board.
Put the stick upward and blow into the bottom area. Then, keep the analog joysticks up and blow in the opening you create by doing this. Unless you have bluetooth/wi-fi interference going on.to fix mechanical controller issues (especially analogue stick problems) properly, the controller need to be opened up.