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Dual Monitors and DOS problem

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by jr0410

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Our employer has Win98SE installed on our PCs with a Nvidia Geforce 2MX 400 TwinView Plus video card. I need to be able to view a DOS database on one monitor and a Windows program on the other at the same time. However, if I attempt to view the DOS database in full screen mode rather than a window, the other monitor goes to "black". If I exit out of the DOS program, the other monitor's display returns to view! I need to view the DOS program in full screen rather than in a window. Otherwise, I loose some functionality. EVGA, who makes the TwinView card, doesn't seem to have an answer to my dilemma. Is the problem one of hardware, OS, or DOS? I'm stuck with the DOS program for a couple of reasons beyond my control.

2 replies

by timwalsh

I would say it is a DOS issue. There is probably not a DOS mode driver available to take advantage of dual screens. What is happening is that the Windows driver is not giving you the ability to run 2 separate instances of windows or 2 separate destops but one extended desktop spread across 2 screens. When you tell DOS to operate full screen, that is what it is doing (viewing the dual screens as one large screen). When you use a single screen and tell the DOS window to operate in full screenmode, it takes over your screen and doesn't give you the ability to resize and view some Windows content.

by jr0410

I believe you are correct but it doesn't SOLVE my problem. I would have thought that a video card company could find a way around it. If I put 2 video cards in the same PC, I can toggle to which ever screen I want to use for either the Windows or DOS program. I was hoping that there was one card that would have dual functionality for DOS & Windows programs.

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