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。
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