The power supply looks fine your sure the card is properly seated and if required you have the PCI-E power connector connected? Perhaps you just have a DOA VGA card.
Yeah put it in there a good 2-3 times. The connectors have been plugged in, was there any prior steps I am forgetting? Will having this Pci 3.0 card in a 2.0 slot cause anything to go wrong also? I thought it was backwards compatible.
you got all the pci-e connector directly from your psu you dont have to use this cable the card only ask for a 6 pins power connector it could be that you psu could not handle the card,another thing did you remove the nvidia driver for the gt card before the install of the amd hd 7770
Well I didn't get the pci-e connector from my GPU thats why I bought that one. Since it is fully modular i just used the cord I linked earlier and plugged it into that last lost entitled PCI E on the PSU I linked earlier also, then used the other 6 pin end to plug into the GPU. And yeah I also removed the Nvidia Drivers from the old card. Still not getting the computer to boot up, all out of ideas now.