upgrade to z97

Hi Everyone: I just upgraded my system from a Gigabyte Z77-DS3H / I7-3770k to a Gigabyte Z97-UD5H / I7-4970k as a relative wanted to purchase my old set up. Everything else is the same, ram, case, 750w power supply, and hard drives. I get to the Chimera screen and then I end up in a boot...