Corrupted or incorrectly signed EBOOTs are a common cause of black screen errors on launch.
The Essential Guide to Original EBOOT.BIN Files for PS3 Games: Restoring and Modding original ebootbin files for ps3 games
On a PS3 system, the original EBOOT is typically stored within the game's internal directory. Its location depends on whether the game has been updated: Corrupted or incorrectly signed EBOOTs are a common