最近几次我将 PC 从休眠状态唤醒时，声音不起作用。我重新启用了声卡并重新安装了驱动程序。它仍然不起作用。发生这种情况时，使用 Flash 时会崩溃。iTunes 无法正常工作，就像其他一些程序一样。
Specs:
Gigabyte GA-MA790x-UD4P and it's on-board sound card
AMD Phenom II x4 955
ATI HD4890
2x2GB G.Skill Ripjaws
Western Digital HDD (not sure which one)
Windows 7
我的日志中似乎有很多错误来自ShellHWDetection, MMCSS and AeLookupService。
错误示例ShellHWDetection：
System
- Provider
[ Name] Service Control Manager
[ Guid] {555908d1-a6d7-4695-8e1e-26931d2012f4}
[ EventSourceName] Service Control Manager
- EventID 7011
[ Qualifiers] 49152
Version 0
Level 2
Task 0
Opcode 0
Keywords 0x8080000000000000
- TimeCreated
[ SystemTime] 2011-11-26T11:39:30.513091900Z
EventRecordID 545363
Correlation
- Execution
[ ProcessID] 624
[ ThreadID] 5176
Channel System
Computer Simon-PC
Security
- EventData
param1 30000
param2 Schedule
错误示例MMCSS：
System
- Provider
[ Name] Service Control Manager
[ Guid] {555908d1-a6d7-4695-8e1e-26931d2012f4}
[ EventSourceName] Service Control Manager
- EventID 7011
[ Qualifiers] 49152
Version 0
Level 2
Task 0
Opcode 0
Keywords 0x8080000000000000
- TimeCreated
[ SystemTime] 2011-11-26T11:39:30.513091900Z
EventRecordID 545363
Correlation
- Execution
[ ProcessID] 624
[ ThreadID] 5176
Channel System
Computer Simon-PC
Security
- EventData
param1 30000
param2 Schedule
错误示例AeLookupService：
- System
- Provider
[ Name] Service Control Manager
[ Guid] {555908d1-a6d7-4695-8e1e-26931d2012f4}
[ EventSourceName] Service Control Manager
- EventID 7011
[ Qualifiers] 49152
Version 0
Level 2
Task 0
Opcode 0
Keywords 0x8080000000000000
- TimeCreated
[ SystemTime] 2011-11-26T12:12:00.755639300Z
EventRecordID 545446
Correlation
- Execution
[ ProcessID] 624
[ ThreadID] 5908
Channel System
Computer Simon-PC
Security
- EventData
param1 30000
param2 AeLookupSvc