DenJFast

I have same problem. ReInstalled chipset and audio drivers, etc. No sound. Worked fine until about a week ago. Do not know what precipitated the change.

Mainboard : Asus P5N-E SLI
Chipset : nVidia nForce 650i SLI SPP
Processor : Intel Core 2 Duo E6600 @ 2400 MHz
Physical Memory : 4096 MB (2 x 2048 DDR2-SDRAM )
Video Card : NVIDIA GeForce 8400 GS
Hard Disk : Disk (251 GB)
Hard Disk : Maxtor (82 GB)
Hard Disk : WDC (320 GB)
DVD-Rom Drive : HL-DT-ST DVD-ROM GDR8162B
CD-Rom Drive : HL-DT-ST CD-RW GCE-8483B
DVD-Rom Drive : ROXIO DVD-ROM EMULATOR SCSI CdRom Device
Monitor Type : Samsung SyncMaster - 19 inches
Operating System : Microsoft Windows XP Professional 5.01.2600 Service Pack 3
DirectX : Version 9.0c (March 2007)
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Device Audio : MCP51 High Definition Audio
Device multimedia : AVIVideo
Device multimedia : CDAudio
Device multimedia : Sequencer
Device multimedia : WaveAudio
Device multimedia : MPEGVideo
Device multimedia : MPEGVideo2
Audio Compression : Microsoft IMA ADPCM CODEC
Audio Compression : Microsoft ADPCM CODEC
Audio Compression : Microsoft CCITT G.711 A-Law and u-Law CODEC
Audio Compression : Microsoft GSM 6.10 Audio CODEC
Audio Compression : DSP Group TrueSpeech(TM) Software CODEC
Audio Compression : Microsoft G.723.1 CODEC
Audio Compression : Windows Media Audio
Audio Compression : Sipro Lab Telecom ACELP.net audio codec
Audio Compression : Indeo® audio software
Audio Compression : Fraunhofer IIS MPEG Layer-3 Codec (advanced)
Audio Compression : Microsoft PCM Converter
Video Compression : Cinepak Codec by Radius
Video Compression : Studio MP10 Decompressor
Video Compression : Intel Indeo(R) Video R3.2
Video Compression : Intel Indeo(R) Video R3.2
Video Compression : Intel Indeo® Video 4.5
Video Compression : Intel IYUV codec
Video Compression : Microsoft RLE
Video Compression : Microsoft Video 1
Video Compression : Microsoft YUV
Video Compression : Microsoft YUV
Video Compression : Toshiba YUV Codec
Video Compression : Microsoft YUV
Video Compression : Microsoft H.263 Video Codec
Video Compression : Microsoft H.261 Video Codec
Video Compression : Indeo® video 5.10
Video Compression : PICVideo M-JPEG 3 VfW Codec
Video Compression : PCLEPIM1 32-bit Compressor
Video Compression : DivX® 5.2.1 Codec
Video Compression : DivX® 5.2.1 Codec
Video Compression : Panasonic DV CODEC
Video Compression : XviD MPEG-4 Codec
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