recovery Cd issues

[Tpneer]

I have a sr1102bd desktop with a new hardd rive and am trying to use the recovery Cd which has winxp onit and the cd key that I am trying to use is onthe sid eof the machien which the installation will not recognize as valid I type i inadn the mahcine says invalid Cd key
I also tried to run an xp ugrade cd for an hp machien that doe slnot work either is there any way to resolve this?