very big peoblem

[blanlogic]

hi folks

i have a ps2 v4 with a magic 3 mod-chip.
i did a backup from doa 2 with recordnowmax
my burner is a pioneer A04.
i copyed the game on a ritek dvd-r with x1 speed.
as i tried it , nothing happens.
i try to boot it , just like they tell in this forum.
on a other ps2 it works very well!!
on my ps2 backups from ps1 games work fine.
originals and dvd´s are also go well!

what can be the f...... problem!!
please need help!!


sorry for my english - i´m from austria