Recently I did a GPU change from a 6950 ATI to a ATI 6970. When i tried booting up my pc nothing happens. The green LED light on the motherboard comes on which tells me there is power to the mobo.
I checked the 20pin or so power cable that goes to the mobo and it works. The rest of the cables and fans are all connected in properly but nothing powers up. It was working fine yesterday but when i took out my GPU i tried switching it on without a GPU and nothing happened from then on. Put in my new GPU today and still nothing happened. The start and restart pins havent been touched because initially i thought somehow they were disconnected but they are connected fine.
If anyone can help with this it would be great.---