ps2 dvd are a dud

[ALERTD]

i have a usb mod chip ,a p4 2.4, i used record now software,i have a pioneer ao5, i used riteks deep purple dvds,and it still doesnt play. ok i did everything in the site on how to backup my ps2 dvd games the only thing is that i couldnt do was that the auto notify insertion on i couldnt turn it off,could somebody please help or tell me whats wrong, thanks guys keep up the good work.