Sound Vanished in Vista 64bit SP2 on Dell Studio XPS 435MT

  ian munns 15:57 04 Apr 2012

My Dell Studio XPS 435MT 920 i7, 6Gb, Vista 64BIT SP2 has motherboard Nvidea High Definition Audio 0-3 (total 4) Channels-Driver in Device Manager and Realtec High Definition Audio x1-Driver All are indicating Working Properly. But my Vista system sounds and all audio movie/recording playback has suddenly vanished. I've tried to make sure all the software audio systems are not muted or turned off, disabled, all turned to max volume. The stereo/bass sytem works fine on another PC and that other working system also doesn't work on the Dell 435MT. This also happened some time ago and a system restore recovered it but now my restore has not worked (not old enough?). The only recent events are normal updates on system and drivers and a fault with an AcGenral.dll when an exe file is launched. The motherboard seems to work ok as tapping the microphone leads to sound out on the speakers. Your help and advice please. This is driving me nuts!

  KRONOS the First 18:41 04 Apr 2012

Go to the Dell site for your PC and download and reinstall the sound card drivers. That should sort it.

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