Macc, this is your problem,
Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : Kingston EtherRx KNE111TX PCI Fast E
thernet Adapter
Physical Address. . . . . . . . . : 00-C0-F0-76-53-D1
it doesn't think you have the cable plugged in. make sure both your computer and xbox are on, the xbox is booted with a video cable in the back of it and also loaded up to a dashboard. Also verify your cable is in fact a crossover yet again. Or go buy one that says crossover right on the box...