No Sound in MS-DOS-Based Program After Changing Preferred Device

RESOLUTION

To work around this issue, use the following steps:

1. Disable the sound card using the VxD in Device Manager. For information about disabling devices, please see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID: 128919
   TITLE : Resources for Disabled Devices Not Freed Up

2. Disable the "SET BLASTER=" line in the Autoexec.bat file. To do so, follow these steps:
   
   
   1. Click Start, click Run, type sysedit in the Open box, and then click OK.
   2. On the Windows menu, click Autoexec.bat, locate the line that starts with "SET BLASTER=," and then type rem, followed by a space at the beginning of the line.
   3. On the File menu, click Exit.
   4. Click Yes when you are prompted to save the Autoexec.bat file.
3. Restart your computer.
4. Create a forced hardware configuration based on Sound Blaster emulation for the sound card. Set the resources of the audio device to I/O=220, IRQ=5, and DMA=1. For information about creating a forced hardware configuration, please see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID: 134472
   TITLE : Device Resources Not Updated with Forced Configuration

For additional information about troubleshooting sound in MS-DOS-based games, see the following article in the Microsoft Knowledge Base: