I'm having this EXACT same problem, I was terrified I messed up something when building my PC. I got an Asus GTX 770 DirectCU II OC 2Gb, from Amazon http://www.amazon.co.uk/gp/product/B00CY5GP08/ref=oh_details_o00_s00_i03?ie=UTF8&psc=1
I was first concerned when Battlefield 4 would crash, which...