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Mag monitor doesn't display bios post

My Mag 19inch LCD monitor does not display the bios post during boot up but only starts displaying when Windows boots. My graphics card is a Sapphire 3850 256meg. When I switched monitors to a Samsung 22inch LCD, the bios post is visible and everything is normal. I then switched graphics card to a Sapphire X1950Pro and tried this with the Mag monitor. I was able to see the bios post again. The problem is confined to the Mag monitor and the 3850 graphics card which only displays once Windows starts and does not show the bios post. The cable used is an 18pin single link DVI cable. Do you think a dual link cable might solve the problem?

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I have no experience with the DVI links because such technology is still unavailable here in Argentina. We have DVI video cards but finding a suitable DVI monitor is another (long) story.
I think that your card (that has 2 DVI ports) is initializing one port first (the primary one) and then, when windows starts, it initializes the other and outputs video from both ports.
Try connecting the monitor in the other DVI port.
If your card has a VGA output, the VGA gets initialized first.

Posted on May 07, 2008

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