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'='RootLEGACY_AUDIOSRV000' 'Count'=dword:00000001 'NextInstance'=dword:00000001如果缺少音量控制程序文件，下载这个 sndvol32.exe