I keep getting condensation inside the monitor
I have a foggy condensation patch on the inside of my monitor. It goes away after the monitor heats up. But, I have had it before. I do live in Hawaii and it has been hot, about 80 degrees in the room, but I have two fans going in the room all the time. I have performed a Hardware Test and nothing seems to be wrong, SO FAR. I will not move from Hawaii and it is difficult to put monitor in a sealed temperature room. Please help.
iMac (27-inch Mid 2011), iOS 8.4, Actually running Yosemite 10.10.4