Originally Posted by Raffaz
Did ya have the power connected to ya vid card? Also have a look on ya mobo for another 4 pin connector, if you have it, connect it
RAFF is correct, some Video cards need some type of power cable connected to work. The 4 pin connector Raffy is talking about has 2 yellow and 2 black cables and should click in not far from the CPU. When you do get into windows, try install the video drivers for that card you have and then turn off the PC and put the Vid card back in, then start the PC back up again.