恢复Windows系统音频服务

将以下文本保存为 .reg 结尾的注册表文件，双击执行，然后重启就可以修复不见得Windows音频系统服务。

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesAudioSrv]

"DependOnService"=hex(7):50,00,6c,00,75,00,67,00,50,00,6c,00,61,00,79,00,00,00,

52,00,70,00,63,00,53,00,73,00,00,00,00,00

"Description"="管理基于 Windows 的程序的音频设备。如果此服务被终止，音频设备及其音效将不能正常工作。如果此服务被禁用，任何依赖它的服务将无法启动。"

"DisplayName"="Windows Audio"

"ErrorControl"=dword:00000001

"Group"="AudioGroup"

"ImagePath"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,

74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,

00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,

6b,00,20,00,6e,00,65,00,74,00,73,00,76,00,63,00,73,00,00,00

"ObjectName"="LocalSystem"

"Start"=dword:00000002

"Type"=dword:00000020

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesAudioSrvParameters]

"ServiceDll"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,

00,74,00,25,00,5c,00,53,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,

61,00,75,00,64,00,69,00,6f,00,73,00,72,00,76,00,2e,00,64,00,6c,00,6c,00,00,

00

"ServiceDllUnloadOnStop"=dword:00000001

[HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesAudioSrvEnum]

"0"="Root\LEGACY_AUDIOSRV\0000"

"Count"=dword:00000001

"NextInstance"=dword:00000001

如果缺少音量控制程序文件，下载这个

sndvol32.exe