I just installed a mdi z77a-g41 with SAMSUNG 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800). When I boot up from my old windows 7 hard drive. I will get a blue screen flicker and then it reboots. I'm runninng the ram at 1600. Any help would be huge. Thank you in advance.