I have a fried Moonlander 2. This one was working perfectly on one of my computers for weeks,  and I moved it to another computer that was in a more favorable location. Set up the computer the same way, Windows 7, standard software (bfgminer, etc). However, when I plugged it in, and the fan worked fine, and then I smelled the familiar smell of smoked electronic components. Looks like U2 on the board is fried with a black smoldered hole  in the middle of it.

What is the component? What could have caused this? Is this ML2 repairable, or is it a lost cause? My other 2 ML2's are working great, but am scared to move them in the event this same thing happens.

Any guidance would be great.

Thanks!