I didn't really do anything. When I move drive data, I use Macrium Reflect.
My first guess is that maybe playing with the RAM timings would have done something. I had such an issue with these Corsair Vengeance 2400MHz DDR3 RAM modules while using an OC Genie III motherboard with the XMP profile unlocked. For some reason, USB quit working and there were all kinds of issues with shutdowns. Once I turned off XMP, it worked fine.
That motherboard was also a strange product that I've never seen before. It had one of those one button overclock features. It works well and pushes the i5 3470K to a safe overclock level without causing instability. It was sold to me along with a 650w power supply, a case, some other RAM, a GTX 970, and a few other accessories for $200 because he couldn't figure out what was wrong with it. Looks like I got a bargain since I figured it out. Oh, and there was a PCIe WiFi adapter included, so I made off good.
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