Problem playing back up



could you fellaz help in regards to a problem I am having? Currently have alchohol120% and damon tools. Made a back up copy of medal of honor breakthrough on DVD/RW. Safedisc emulation on in daemon tools. Installed no problem when I go to play it says please put in copy of the disc. go easy I’m a newb.

My stuff: Pentium 4/3.2 gig
128 msi pci-express card
200 gig sata hdd
HP lightscribe 640b Dvd burner
windows xp home