<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; "><BR><DIV><DIV>On Jun 7, 2006, at 9:00 AM, Will Constable wrote:</DIV><BR class="Apple-interchange-newline"><BLOCKQUOTE type="cite"> <DIV class="Section1"><P class="MsoNormal"><SPAN style="font-size:10.0pt;font-family:Arial;color:navy">I’m running two different resolutions, spanning desktops on vga and s-video. This could be the problem I suppose – would unplugging the vga monitor do the trick or do I have to boot with the output disabled?<O:P></O:P></SPAN></P><P class="MsoNormal"><SPAN style="font-size:10.0pt;font-family:Arial;color:navy"><O:P> </O:P></SPAN></P></DIV></BLOCKQUOTE><DIV><BR class="khtml-block-placeholder"></DIV>It's basically a try-and-see situation.<BR><BR></DIV><DIV>What you are seeing is the horizontal sync bar from your vga video floating through your S-Video signal. It all makes sense once you mentioned that you're using two monitors.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The cross-coupling can happen in different ways. One is simply magnetic coupling between the two monitors, see what happens if you simply power down the VGA monitor.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The only way to fix that type of problem is to move the monitors further away from each other, or use some type of magnetic shielding such as "mu-metal". Using better shielded monitor(s) would help as well.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>You could also be getting cross-talk between the cables, using better shielded cables might help this sort of problem.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>The cross-talk could also be happening in the video card itself, but a newer "better" card might or might not be better shielded.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Like I said, you will just have to experiment and see what helps.</DIV></BODY></HTML>