Sony PlayStation Portable (PSP) Console "alligning door" Questions

PSP will not play UMD after 3.95 update I have just recently update my PSP from 3.71 to 3.95, and my PSP will not play any UMD. I'm not sure if it was the update, or my little sister knee chucking it ...

cd player door jam, gears out of alignment gears out of alignment. The only thing that i can tell you is that if the gears on the cd drive are outof allignment you will have to buya new cd drive and ...