After replacing my gfx card Leadtek Nvidia 7600 GS(which burned off, placing NFS MW,giving splitting frames...fast forwarding frames..)with ATI 5450 [msi] , i immediately got Blue Screen of Death in my WIN XP sp3....then when i reformatted my C Drive i get alternate error in my bios..... ************Warning:Last Boot Fail or POST interrupted*********** Press F1 to continue.... See Pic Attached