DOS program displays garbled due to running in Windows - low video memory.
Cause:
The system video memory is low; this may occur when running a DOS-based program in a window.
Solution:
Check the DOS program properties and run the program in a full screen.
1) Right-click the DOS program icon on the desktop. (The pop-up menu appears.)
2) Select 'Properties' from the pop-up menu. (The application's 'Properties' dialog box appears.)
'Properties' on pop-up
3) Click the 'Program' tab to change the program settings.
'Program' tab
NOTE: Refer to program documentation for correct settings.
4) Click the 'Screen' tab and select the 'Full Screen' radio button in the 'Usage' group.
5) Click 'Apply' and click 'OK'.