Alright I've tried searching for this problem but with no lock. So I try to play a game over 4 GB the game starts up I get to the PS2 logo in the game, then it eather turns black and freezes or goes to the loading in the bottom left corner and gets half way done and stops. I've gotten it to work for 007 nightfire and Agent under fire(both less then 4 gigs.) But when i've made copies of Devil May Cry or Lord of the rings it freezes. I've been using dvd decrypter and primedisc DVD's I just got a new laser installed, smaller games work and its a consistent problem. Please help!