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As soon as you attach the 2nd cable (even with the source turned OFF), the signal gets scrambled. This product quite simply does not work. A big waste of money.
THIS product barely worksthe Cable bow does not have enough juice to push thru and provide a clear signalthe DVD and Sony PS3 work v good.I say do not buy as there are other ways to split the signal -- You can have mine just send me the postage money.
However, if one of the displays is turned off it would create feedback artifacts on the other display. Worked great when using both displays. This may have been a result of cable lengths, but I did not take the time to debug the issue.
dual link is available at What that means is that if you're using it to split the output of a DVI port on your PC, for example, your PC's video card must output Dual-Link DVI through that port. I have decided to return this product. It is a special output mode for DVI digital signals where the video signal is sent through two sets of pins on your DVI cable. I have a two-monitor setup on my PC and wanted to duplicate the output of one my monitors to an LCD HDTV.
A discussion of single vs. If you are even considering this product, here are some things you should know:1) The product will only work for splitting a DVI signal from a "Dual-Link" DVI port. The product comes with no real instructions, no support whatsoever, and the manufacturer hasn't bothered to tell people about the many limitations of this product. This is a well-assembled and high-quality product as far as cables go, but it was useless to me. The result for me was many frustrating hours trying to get it to work.
Now Dual-Link doesn't mean that your card has two DVI ports.
Make sure that you are using DVI-D connections and not DVI-A. This was especially true for video gaming; not as much for less graphics-intense activities.2. 1. Depending on what you're doing, you may have some problems with green dots being randomly flashed on the screen (they look like stuck pixels, except they jump around). Applications like the NVIDIA Control Panel that detect your monitor manufacturer, model, and resolution settings will no longer be able to do so.3.
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