Ask them to pay for the return shipping this time. It shouldn't be your responsibility to constantly pay to ship it back. That being said, I know you put it in another rig, that means the other rig have a different psu correct? Otherwise I might check out your psu for possibly being the culprit...
My heatware: http://www.heatware.com/eval.php?id=69177
I'm looking for $10. Buyer pay the fees. PM me or add me on steam if interested. My Steam ID is Yang
Hey guys I'm selling just the cd key for battlefield 3 along with the multilayer head-start kit. I'm thinking $25 should be a fair price. Please send me a pm if you're interested or send me an offer. Please no low-ballers
P.S. I have the box too if you really want the box but obviously there...