Crossfire help

Got two shiny new graphics cards.

1) Uninstalled old drivers.
2) Turned box off.
3) Took out the old graphics card and put in ONE of the new ones.
4) Booted up.
5) Windows freezes on startup.  Be in in normal mode, safe mode, ot even the recovery console.

What now?

>>15
There there, young padawan. One day you will be ale to troll others using this method!