ok heres my problem,i took my psp apart to do the rings of light,got the umd door done,started some music to see the leds blink and all was good.i used the rubber thing from the buttons to make sure i had good connections and all the buttons worked and they do untill i put my faceplate on then the left direction dont work.took it back off and made sure everything was in the right spots and made sure it wasnt the d pad sensor,put the face back on and no left again?