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Windows 7: Windows 7 update disabled audio

23 Feb 2012   #1

Windows 7 Home Premium x64
Windows 7 update disabled audio

Here's my problem:

Error message: "No Audio Output Device is installed"

Windows 7 was working fine but then after one of its automatic updates the sound stopped working on the system.(i.e. Red "X" on speaker icon)

I have tried enabling the audio in normal, mode safe mode. The driver is up to date and I have even tried re-installing it.

System restore provided a temporary fix as after one normal use of the PC windows will re-disable the audio. (and yes I disabled auto still manages to disable the audio)

I had the PC sent out under Manufactures Warranty to try to resolve the issue, but as the warranty only covers physical damage to the system all the service center was able to do was confirm that it was a software problem (they checked the hardware and found it to be working properly).

So I have determined that the audio is solely software related and that it must be disabled deep in the system as the usual enable/disable buttons have no effect.

Any suggestions would be greatly appreciated.

My System SpecsSystem Spec
23 Feb 2012   #2

Windows 7 Home Premium x64

Almost forgot..

System Spec's:
OS:Windows 7 Home Premium x64
Manufacturer: Toshiba
Model: Satellite C655 - S5128
Processor: Intel(R) Core(TM) i3 CPU M 380 @ 2.53 GHz 2.53 GHz
Installed memory (Ram): 4.00 GB (3.80 usable)
System type: 64-bit Operating System
My System SpecsSystem Spec

 Windows 7 update disabled audio

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