Microsoft Kernel GS Wavetable Synthesizer (swmidi) Service Defaults in Windows XP

Microsoft GS Wavetable Synthesizer by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:Microsoft Kernel GS Wavetable Synthesizer
Service name:swmidi
Service type:kernel
Error control:normal
Path:%SystemRoot%\system32\drivers\swmidi.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\swmidi

Default Behavior

Microsoft Kernel GS Wavetable Synthesizer is a kernel device driver. In Windows XP it won't start until the current user starts it. If the Microsoft Kernel GS Wavetable Synthesizer fails to start, the technical information about the error is added to the Event Log. Windows XP startup should proceed, but a message box should be displayed informing the user that the swmidi service has failed to start.

Restore Default Startup Configuration for Microsoft Kernel GS Wavetable Synthesizer

1. Run the Command Prompt.

2. Copy the command below, paste it into the command window and press ENTER:

sc config swmidi start= demand

3. Close the command window and restart the computer.

The swmidi service is using the swmidi.sys file that is located in the %WinDir%\system32\drivers folder. If the file is changed, damaged or deleted, you can restore its original version from Windows XP installation media.