Originally Posted by amiroray
was u running mw3 off disc before bdvd broke? that error is usually to do with improper keys used to sign the eboot. for example a 3.55 signed eboot will not work on 4.30 cfw. u could try installing all the updates for the game. also to run the game externally u need to press square in mm then bubble in external and bd-mirror.
I bought my ps3 with a broken bluray before mw3 came out and yes I check the external thing and when I launch the games I get a black screen and my ps3 turns off