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ust upgraded my graphics card to the ZOTAC 2GB edition of the GT 640. The requirements say that it requires a minimum 350W PSU with 20A on the 12V rail. I have a 400W PSU with 2 12V rails of 8A and 14A. I took the card to a friend who has a similar computer to mine, he had no problems using it. I put it in mine, and it won't display anything unless it is in the windows 8 environment. So no POST. I am thinking that maybe the problem is the cable I am using with my monitor, it is a dual link DVI cable. The 640 has to dvi connections on it, one of them has a slash with for pin holes around it and the other has just the slash. I am told one is regular DVI and the other is called dual link DVI. I am thinking if I get a VGA cable, and use the included DVI adapter, along with the existing DVI cable I have, it will work. I am 99.99999999999999999999999999% sure it isn't a problem with the PSU. The onboard video is disabled.
Any ideas? I had to do a factory reset today, and I had to go back to my old GPU while doing it. if it is any help, the monitor is a Benq NVidia 3D vision ready monitor. (It is the T version, not the TX version), the cable works perfectly fine with the old GPU, but it doesn't have two DVI connectors on it.
Any help is appreciated.
Thank you
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