Sony PS2 Slim Model SCPH-77004 softmod

hello,

i have a Sony PS2 Slim Model SCPH-77004, i install in memory card by a ps2 moddied console free mcboot programm but still my ps2 cannot play back up games.
when i press esr it said invalid disc on drive. the same games plays in ps2 moddied console. what can i do to solve my problem?
please help

To play backups using ESR you first have to patch the disk image with ESR Patcher then burn it to disk.