Quote: Originally Posted by
ElKeeed 
Invertors put out a whole ton of noise on the power lines, you need to look at putting something to smooth it out between the screen and invertor or look at a way of powering it with a DC-DC psu. The reason its stable without the pc is simply because less load generally means less noise.
What would you suggest to smooth it out? I can't power it with a dc-dc psu because it is 110 volt striaght to the monitor, or were you refering to the computer itself?
I figured that a 400 wat invertor would be plenty big enough to handle just the screen and computer.