I recently picked up a GTX 770 that use to work fine, but now displays no signal whenever i boot the pc (Card lights up and fans spin). However, my GTX 660 AMP Edition card works just fine.
CPU: I7- 3770K (Noctua NH-D14 Cooler)
MOBO: Asus Z77 Sabre Tooth
RAM: G-Skill Ripjaw X-Series...