I have a problem with my DVD burner.
It burns a DVD discs without any problem but when it comes to a CD-r or CD-RW disc that’s not possible.
It recodnise CD-r disc and start to burn ...alas.. after 5 or 10% it stops with some message (unexected burning error,unknown ... ...,faild to burn ... , power calibration error, and so on ,and sofort) or simply halt a system for a short period of time and than just eject a disc. The CD-RW disc it just don’t recognised , (message: “There is no disc "

, bote empty or one that was burnd earlyer. CD-r disc that has something writen on some time recognise some time don’t.
My system has instaled Nero 7 ultra edition and DVD in question is Pioneer DVD-RW DVR-112D.
Pleas help!