That is weird. You wouldn't happen to have a thermometer that you could read the temp with would you? Is that the side the power cable connects into?
If you don't have a thermometer how hot would you describe it when touching it with your hand?
It's quite hot. Holding my hand an inch away from the left side, I can feel the heat radiate. It's not extremely hot, but it's still very warm. And this happens within a couple of hours of use. The monitor uses a power brick so it doesn't use the traditional power cable. The input for the adapter is on the right side and the heat is on the left, so no, it's not on the same side.