I meant taking a pic with a camera. I can see that the lines are appearing 'on' the monitor. This happens occasionally, they appear for around 15-20 secs, and then they disappear. My old monitor, a Samsung 740N LCD, didn't show any problem. I still think that there is some external factor...
I am having a strange problem with my Dell 2407WFP monitor, which I just got a few days ago. Its a little hard to describe. Occasionally the monitor displays dark, horizontal lines, that kind of move up or down. It seems like they are rolling. I tried to take a picture and video of it but the...