I still use XP on all of my machines. I have no plans to downgrade to 7 or 8 any time soon. I'll hang on to XP until the day nothing works with it.
No wonder it doesn't work! You installed the coils backwards
My System: Core i5 660 3.33GHz, Gigabyte GA-P55-UD3R, 4GB Kingston DDR3 1333, 240GB Intel 335 Series SSD, 750GB WD HDD, Sony Optiarc DVD RW, Palit nVidia GTX660 Ti, Antec 1200 Case, Delta DPS-750CB 750W PSU, Hauppauge TV Tuner, Windows 7 Home Premium.