i could also add the dxdiag, if it helpes:
Sound Devices
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Description: C-Media Wave Device
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: PCI\VEN_13F6&DEV_0111&SUBSYS_80E21043&REV_10
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: cmaudio.sys
Driver Version: 5.12.0001.0630 (English)
Driver Attributes: Final Debug
WHQL Logo'd: Yes
Date and Size: 10/30/2001 23:01:50, 280782 bytes
Other Files:
Driver Provider: C-Media
HW Accel Level: Full
Cap Flags: 0xF5F
Min/Max Sample Rate: 100, 100000
Static/Strm HW Mix Bufs: 17, 16
Static/Strm HW 3D Bufs: 17, 16
HW Memory: 0
Voice Management: No
EAX 2.0 Listen/Src: Yes, Yes
I3DL2 Listen/Src: Yes, Yes
Sensaura ZoomFX: Yes
Registry: OK
Sound Test Result: Not run
---------------------
Sound Capture Devices
---------------------
Description: C-Media Wave Device
Default Sound Capture: Yes
Default Voice Capture: Yes
Driver Name: cmaudio.sys
Driver Version: 5.12.0001.0630 (English)
Driver Attributes: Final Debug
Date and Size: 10/30/2001 23:01:50, 280782 bytes
Cap Flags: 0x41
Format Flags: 0xFF0
-----------
DirectMusic
-----------
DLS Path: C:\WINDOWS\SYSTEM32\drivers\GM.DLS
DLS Version: 1.00.0016.0002
Acceleration: n/a
Ports: Microsoft Synthesizer, Software (Not Kernel Mode), Output, DLS, Internal, Default Port
MPU-401, Hardware (Kernel Mode), Input, No DLS, External
MPU-401, Hardware (Kernel Mode), Output, No DLS, External
C-Media Wave Device, Software (Kernel Mode), Output, DLS, Internal
Microsoft MIDI Mapper [Emulated], Hardware (Not Kernel Mode), Output, No DLS, Internal
Microsoft GS Wavetable SW Synth [Emulated], Hardware (Not Kernel Mode), Output, No DLS, Internal
MPU-401 [Emulated], Hardware (Not Kernel Mode), Output, No DLS, External
MPU-401 [Emulated], Hardware (Not Kernel Mode), Input, No DLS, External
Registry: OK
Test Result: Not run