plz help with cdrwin error msg..

[NoToRiUs-D]

ok i have a new compu with a HP9300i as writer and a creative PC-DVD as reader..

now when i run cdrwin3,7F and press "backup disk" then i get this error.

"No CDROM recording device was found on the SCSI or IDE bus."

please tell me how to fix this problem? i also got this with easy cd creator but i don't have any problems with clone-cd!

thanx to everybody who helps me.