How To Fix Stick Drift Without Opening 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. How to fix Xbox stick drift by taking your controller apart.
Once the chambers are open, use tweezers to grab and remove the white disk from each of the chambers. Insert an opening pick underneath the middle trim at the right bottom of the controller and pry it up to release the clips that secure it. Scroll down and select "Controllers and Sensors".
Once the chambers are open, use tweezers to grab and remove the white disk from each of the chambers.
Pull out the sensors using a pair of tweezers and replace them with new ones.
This should remove surface crumbs preventing full joystick motion. It's frustrating to deal with stick drift, which seems to be almost inevitable with the DualSense. You can also pull out sensors from an older controller that uses the same-sized thumbstick module.