d-pad problem!!!! help!!!!

hi all. my psp keeps going left by its self. i thort it was the nub bt it isnt as i removed it and it still gos lift. any1 know if this can be fixed? thanks for the help!

 

Replacing the D Pad.

 

av tryed that. i tuch the front off again and saw that there was half of a see throuh rubber that runs across the conections of the nub so i tuck the fornt of my good psp and its ment to run across all the conection. do you think that is the problem?

 

all you ave to do is tighten the screw behind ur psp anlouge at the back.