win7试过可以用，安全模式可以启用声音

1、安全模式默认是禁用声音的

2、windows audio和windows audio endpoint build等服务是被禁用的

3、将下面内容保存成.reg文件运行并双击运行

复制内容到剪贴板

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetwork{4D36E96C-E325-11CE-BFC1-08002BE10318}]

@=[6cFgE][п м !!! !!! !]

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetwork{640167b4-59b0-47a6-b335-a6b3c0695aea}]

@=Portable Media Devices

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetworkAudioEndpointBuilder]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetworkAudiosrv]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetworkHdAudAddService]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetworkHDAudBus]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetworkdrmkaud]

@=Driver

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootNetworkMMCSS]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimal{4D36E96C-E325-11CE-BFC1-08002BE10318}]

@=[6cFgE][п м !!! !!! !]

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimal{640167b4-59b0-47a6-b335-a6b3c0695aea}]

@=Portable Media Devices

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimalAudioEndpointBuilder]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimalAudiosrv]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimalHdAudAddService]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimalHDAudBus]

@=Service

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimaldrmkaud]

@=Driver

[HKEY_LOCAL_MACHINESYSTEMControlSet001ControlSafeBootMinimalMMCSS]

@=Service

4、点击右下角的声音图标点击修复就可以听到声音了。