Tutorial about putting Xbox One controller thumb sticks in a Playstation 4 controller. 1) Something on my controller stopped working. What do I do. |--| A: It is highly likely that something came loose in the reassembly process and you just didn't realize it (happened to me). The touchpad, light bar, and charging all rely on the two ribbon cables, so ensure that they are secure on both ends of the cable; take care not to damage them. Pretty much every button is dependent on properly aligned button membranes that sit directly below the respective button or trigger; make sure they are seated properly. 1-b) My touchpad doesn't work even though I plugged it back up. I can press it as button, but touch doesn't work. |--| A: The ribbon cable on the inside of the touch pad can come unplugged as well. When you have the touchpad out and loose, you can jiggle the cable to feel if it seems disconnected inside the touchpad. To plug it back in on the touchpad side, you have to pry the back plastic of the pad off with some tool, which is just held with strong double-sided tape. I talk about the procedure briefly (but don't perform it) in my teardown video:.