I have a ps3 fat and my dvd won't it won't take it the disk in but when i put it in the it seems to want to work because I can hear it but the mechanism take takes in the cd won't work or spin when I opened it up and when i tried to do it manually to see if everything worked the laser blinks to see it it can read it but then turns off alsobut the rocker arms don't seem to be working don't know what could be the problem