We're in the middle of a thunderstorm watch and our power is fluctuating like crazy. Whenever there is a dimming of the lights, the two monitors start shaking like crazy. Even when things seem okay ...

I don't know what this could be. I have a Viewsonic P25F 22inch monitor. In the upper right hand corner it is shaking? Like somehting is vibrating the screen. At first I thought it was the refresh ...