need help , system freezes on reboot

[a r c a n q e l]

hi , im having a little trouble , im trying to dualboot OS X on a seperate HD

 

 

but when i put the leo4all DVD in and reboot ,

 

the screen freezes on the image below

 

 

 

i waited about 15min. and it was still frozen ,

 

any ideas on why thats happening?

 

thanks in advance .