I am facing problem while using EVGA Nvidia gtx 550 Ti graphic card with ASUS P8Z68-V PRO motherboard. I have connected EVGA Nvidia gtx 550 Ti graphic card with my computer but when I start my computer at that time my computer does not detect it. I have tried to solve this problem by removing graphic card from my computer and reseating it bit that does not help me to solve this problem. some times graphic card appears under display adapters and it shows ďCode 12Ē in status. Please tell me what should I do to solve this problem?