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Win2k Dual Head Question

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  • #1

    Win2k Dual Head Question

    Hello, I was fighting Win2k today installing a G450 PCI 32MB card (why does Win2k instist on enabling the *disabled* onboard video when bios disabled it?!?!) . It may of been my imagination, but when I enabled the second head it almost looked like the picture quality on the first head got worse. Is this possible? I am not at work anymore to really test it. Any info?

    Another odd issue. When dual head is enable and I have both 19" viewsonic monitors running at the same frequency (85Hz I think), a line moves accross the screen. One on the right monitor that goes from the top to the bottom and one on the left monitor that goes from the bottom to the top. Any ideas on that one?

    jImbEam
    Tags: None
  • #2
    What usually works for hardware on the motherboard and W2k if it insists on finding it, is let w2k find and then go to device manager and then click "disable in all hardware profiles". After a reboot it should stay out of your way

    Cobos
    My Specs
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    • #3
      The lines (one going up, one going down) on the monitors are normal. They are caused by interference between the two monitors. The better a monitor is shielded, the smaller the effect.

      The solution is either to put the displays further away or to put some (metal) shield between them.

      Perhaps it is possible to sync their refreshrates, but I'm not sure about that...


      Jörg
      pixar
      Dream as if you'll live forever. Live as if you'll die tomorrow. (James Dean)

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      • #4
        There are two things you can do.

        1. Run the monitors at different refresh rates.

        2. Isolate them from one another somehow.

        Rags

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        • #5
          I've seen the same thing when the monitors are at the same refresh rate. Just separate the refresh rate by 5 or 10 Hz.
          Core2 Duo E7500 2.93, Asus P5Q Pro Turbo, 4gig 1066 DDR2, 1gig Asus ENGTS250, SB X-Fi Gamer ,WD Caviar Black 1tb, Plextor PX-880SA, Dual Samsung 2494s

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          • #6
            I have had the symptom with monitors running at different refresh rates (they were addressed by different computers) : 640x480@60 Hz - mono vga - and 1280x1024@85 Hz.

            Jörg
            pixar
            Dream as if you'll live forever. Live as if you'll die tomorrow. (James Dean)

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            • #7
              I changed one of the monitors to 83 and it seemed to make the lines go away.


              Cobos
              That is how I got the card to work. This is the second time that I had to do that with a dell with an onboard video card.


              Anyone have an answer to the first question? Did anyone notice a difference in video quality after enabling dual head or was I dreaming? I may have to go test it at work tomorrow to see.

              jImbEam

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              • #8
                The Image quality degradation might be due to insufficient shielding of the monitors (the same effect that caused the lines). Try moving thm further apart or shielding them against one another and see if you notice a difference

                AZ
                There's an Opera in my macbook.

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