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Windows 7: Installed Windows 7, No Audio Device, Sound Problems

30 Jan 2013   #1

Windows 7 Ultimate
Installed Windows 7, No Audio Device, Sound Problems

Hi Everyone,

I have recently changed my OS to Windows 7 and have sound problems saying No Audio Device.
When I used windows update, it installed VIA AC'97 Enhanced Audio Controller successfully, but that only works occasionally. The sound goes blank all of a sudden. I have tried other audio drivers like Real tek AC 97 V. 6305, but they do not work either. I have also tried few driver scan software, but no use.

Can someone please go through my system specifications mentioned below and suggest me compatible audio device and/or drivers. I do not have other audio device.

OS Name Microsoft Windows 7 Ultimate
Version 6.1.7601 Service Pack 1 Build 7601
System Model KM400-8235
System Type X86-based PC
Processor AMD Sempron(tm) 2400+, 1666 Mhz, 1 Core(s), 1 Logical Processor(s)
BIOS Version/Date Phoenix Technologies, LTD 6.00 PG, 28-07-2004
SMBIOS Version 2.3

Thanks in advance.

Tanmi Gold.

My System SpecsSystem Spec

30 Jan 2013   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium 64 Bit SP 1

upload your MSINFO32.nfo file.
  1. Click on the start button
  2. Type "msinfo32" (without quotes) in the search bar of the start menu, click the resulting link. It will open the System Information window.
  3. File>Save. In the "File Name" filed, put "MSINFO32" (without Quote), give the save location to desktop, and click the "save" button.
  4. Give the time for processing, it will save a .nfo file on your desktop.
  5. Zip it, and upload it following the instruction.
My System SpecsSystem Spec
31 Jan 2013   #3

Win7 Pro 32-bit, Win8 Pro 32-bit

You're using what MSI calles a "retired motherboard" -- which came out a LONG time ago!

The link below is to the MSI retired products forum, which you can then use to search for threads related to your KM400:

Retired motherboards
My System SpecsSystem Spec


 Installed Windows 7, No Audio Device, Sound Problems

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