MW3-Black screen (v4.3 rogero)(v2.03)(v4.31 spoofed)

Hi i have 60GB PS3 (v4.3 rogero)(v2.03)(v4.31 spoofed)
i copied MW3 disc via multiman (BLESS01428)
but after booting a black screen comes and just stays there
help please

Thanks in advance.