I just recently installed a new video card and ram. I used to have a 1 gb nvidia 520 and i recently upgraded to a amd 7770 saphire. im thinking maybe its the power supply but it cant be because it says 450 w for the graphics card and my power supply is 620 w?
OS: Windows 7 64 bit
Chassis: Cooler Master CM Storm Scout Mid towe
Motherboard: GIGABYTE GA-H61M-S2PV
Graphics Card: AMD 7770 HD Saphire
Processor: Intel Core i7 3770 CPU 3.4ghz
Memory: 8 gb
PSU: ATX 620W PSU