A、Change the color setting for both video adapters to 256 colors. Reconfigure the shortcut  properties to run the DOS-based application in full-screen mode.
B、Change the refresh rate setting to optimal for both video adapter. Reconfigure the PIF  settings of the DOS-based application to start in a window.
C、Change the drivers for the secondary video adapter from WDM-compliant drivers to DOS  drivers. Reconfigure the PIF settings to run the DOS-based application in full-screen mode
D、Update the drivers for the primary video adapter. Change the secondary video adapter to use  640 x 480 resolution and 256 colors.&e