So last night my PC (2500K, P67 motherboard, HyperX Fury 1866 RAM) locked up and when I restarted it have me a no memory beep code, I left it for a while and when I came back it would boot up to Windows but then BSODed after a minute (this happened twice), (I removed the overclock on the RAM at this point) then on the next boot it claimed the registry was corrupt. Thinking that I would have to restore it from boot media (that I do not have laying around) I plugged in my old SSD with my old install of Windows, but it BSODed with the same code the main drive had. At this point I pulled out both sticks of RAM, reinserted one stick and the system booted to Windows (main drive, but it had some file corruption), thinking maybe the other stick of RAM was bad, I swapped them to check but it booted fine again, then I swapped the first stick back into that slot and put the other into the other slot of the pair and it gave me a no RAM error again. Swapped the pair into the other pair of slots and it booted fine. At this point you would think it is just a dead slot, but this RAM came from an other computer that has had the very same problem with it, I had run a memtest on it before I put it in this system and I have also stress tested it with Prime95 without problems. So I am confused why it would act like this (and how to prove it to get warranty).