<br><br><div><span class="gmail_quote">On 4/11/07, <b class="gmail_sendername">Flo</b> <<a href="mailto:flo@flobittner.de">flo@flobittner.de</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<br>There's only one thing left with my picture, sometimes there's like a wave<br>moving downwards through the picture. I think there's a difference in the<br>vertical sync of my lcd and the graphics card. But i'm not sure because it's
<br>hard to describe and to find anything about that...</blockquote><div><br>Sounds like a ground loop problem to me. in short, the LCD and the computer both have their power cords connected to ground. But there is a small voltage difference between the LCD's ground and the computer's ground. This causes a small current in the ground signal of the video cable going between the LCD and computer.
<br></div><br></div><br><br clear="all"><br>-- <br>_____________<br>Ryan Patterson