[求助-系统问题]找不到音频设备了，电脑没有音频设备怎么办 [复制链接]

Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AudioSrv]
"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_MACHINE\SYSTEM\CurrentControlSet\Services\AudioSrv\Parameters]
"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
把上面的字部分保存为Audio.reg注册表文件，然后双击运行，弹出的“是否确认要将?\Audio.reg中的信息添加进注册表?”窗口中点击“是”按钮。重启

在电脑上右下角找不到那个小喇叭，结果我去控制面板去。那里显示没有音频设置
该怎么办
音频控制芯片 Silicon Integrated Systems (SiS) SiS7012 Audio Codec
芯片制造商 Silicon Integrated Systems (SiS)
子系统ID 1B301019h Realtek AC'97 Audio
板卡制造商 Elitegroup Computer Sys
中断 IRQ 18，INT# C
我的机子没声音，声卡应该没问题，驱动没有问题，怎么解决？谢谢！右下角也没小喇叭。
设备管理器里有没有黄色的!!!