Hello everyone. So I'm in the process of building a pc. I have a n Asus z87-Pro with an intel 4670k , Saphire Ati 7950 4gb x 2 gskill ares 1600mhz ram, and a Thermaltake tr2 500w psu. I initially had an Apevia 650w psu and it worked for about a day. I tried turning my computer on the next day...