I had the three monitors working perfectly, 2 through the DVIs and 1 through the thunderbolt. Problem is, my boss moved my desk and now the thunderbolt won't work. I'm using a thunderbolt to DVI adapter. I've checked many times over, and I don't think it is a hardware issue, and Google has led me to believe these set ups are really finnicky. Is there some sort of "refresh" process I can go through or maybe even advanced gpu options I can use?