I was in the middle of flashing my v5 mac to PC an my power went out now when i power up my computer my screen cant get signal from my gtx260 unless i take the voodoo card out then it does get signal also tried to see if the flash worked but i dont get a signal from the v card ether  

try to use another video card

figured it out had to go into bios and set the display to pcix it was on pci flashed again its working great now