MSI Z97s sli krait edition MB, Aspire ATX AS520watt psu, GeForce GTX 1050ti, 16gb 1600 mhz ram, i5 4690k. As is it's working fine, but after putting in the I7 4790k and it worked for about a week and then quit posting. The place I returned it to put it in there machine and had no issues. They're...