Question about Color Graphics Twin 'Tuna' (8 MB) Graphic Card

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Only 1 of the 4 video screens is showing the windows desktop. All others are only showing the BIOS information for the video adaptor.

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  • SungardPaul Nov 25, 2008

    I am only getting the 1 screen when I boot into vga mode. Otherwise that 1 screen is completely blank and the other 3 have the card bios info.

  • SungardPaul Nov 25, 2008

    Yes, these cards are fairly old. For some reason, the primary screen loses video with "Source:Absent" when I boot normally. I am using the correct driver, I think, at the instructed resolution.

  • SungardPaul Nov 25, 2008

    The card is a Colorgraphic Twin Tuna and I am working with Windows 2000 Professional. It was working until I had to rebuild the O/S.

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Hi,
In windows, you need to enable and extend your desktop into the extra outputs, you can do this in your display properties pages.

Posted on Nov 25, 2008

  • Ekse Nov 25, 2008

    Does windows detect the extra displays? correct drivers installed? The screens should stay black after boot, possibly theres a corruption in the vga bios or other hardware failure.. arent these cards old? so its possible.

  • Ekse Nov 25, 2008

    whats the brand and model of the card, also which version of windows are you using?

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