finish recording from some selfboot backups with clonecd(CRACKED)2.3.4.8 & None of the backup wo

am using samsung 8-4-32 sw208 and i recorded with PSX backups with NERO 5.0 and they told me to try CLONECD for the backups of dreamcast ,but apparently there was no problem but when i test them on the dreamcast they dont work. WHY?
please somebody help!!!
PS: i follow the instruction on papa's and many other friends here but dont know whats happening