Hi

I purchased a 2408WFP monitor for my mother in 2008. She had no problems for 2 years. Then one day red/green vertical lines started to appear on the right side of the screen. Someone suggested that perhaps the video card was faulty so I replaced it. It didn't make any difference. I took the monitor to my house and tried it on my system and it still had the lines. I contacted Dell and they sent me a refurbished monitor. I plugged it in at her house and I immediately noticed the same red/green vertical lines. I contacted Dell again and they sent out another refurbished monitor. This time I tried it out at my house first. I had it here for 2 weeks and there was no vertical line issues. Although it did seem to have an issue where it would go black for a second and the the display port icon would come up in the upper left hand corner. I was debating on whether or not to return it for this other issue but I decided to try it at my mother's house to see if she had the same issue. I plugged it into her system and there was the red/green vertical lines again.

So now I'm at a loss. I'm so confused over this. I have the 2405FPW and I've never had any issues with it whatsoever. I had loaned this monitor to my mother while hers was at my house and she also never had any issues with it. Does anyone have any ideas for me? What should I do now? Should I return it to Dell for a third time? I have a hard time believing it's her computer since other people have had the same issue, but it's strange that it was at my house for 2 weeks and it was working fine. At least as far as the vertical lines were concerned.

Help!