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How do I get sound to speakers and headphones from Windows VISTA?

Posted on 2008-10-09
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Last Modified: 2010-05-18
I have no sound from either speakers or headphones. There is no sound dirver listed in Device Manager. The computer does not appear to recognize any sound devices. I tried the install of a Realtek autio driver from the HP website and everything appeared to install normally. Still no sound and no audio driver listed in Device Manager. Also, no Speaker option in the Sound area of Control Panel.

What else is the problem? What could be the conflict? Should I try to reinstall the VISTA OS or use the Repair option for the OS? The sound is on the mobo so no sound card involved. Why doesn't VISTA auotmatically install the audio driver when scanning after rebooting? Any suggestions?

I am not at the computer now, but will try any suggestions any of you gurus might have later tonight. Thank you so much!
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Question by:gnerase
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by:Francois_IT
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first, can you provide your computer model (or motherboard model)?

i would also check in the bios to make sure the onboard sound is enabled (should be if no one tempered with the settings)
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by:gnerase
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The computer model was first given above as HP d4996t. Do not know the mobo model. I just purchased this computer used from someone that indicated the sound was working prior to shipping it. However, I will check the bios tonight. Would that prevent an audio driver from installing itself? There is not audio driver listed in Device Manager. In HP with Windows VISTA is it simply the FI key as usual to get into bios?
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by:Lunda_Construction
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Try booting to last known good configuration.  
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by:gnerase
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Wil try that, but do not expect it to work, since there are never any error messages. Every time I boot up everything appears normal and good. Just no sound. Therefore, last known good configuration will most likely be the same.
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Francois_IT earned 500 total points
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Quote:
just purchased this computer used from someone that indicated the sound was working prior to shipping it. However, I will check the bios tonight. Would that prevent an audio driver from installing itself?

Well, might be that the previous owner had a PCI soundcard... therefore, it might be disabled in the bios. If it is disabled, it will not show in the device manager since the hardware is not active.
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by:gnerase
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The seller assured me that none of the hardware was changed from his use. I still do not understand why the bios would disable itself from using sound if it was never touched by anyone. Can that be explained? Does the bios disable the sound itself without any interaction from anyone? What you are also stating that if the bios disabled the sound itself there would not be any audio driver located in the device manager under sound. Is this correct? I have tried installing other sound drivers and they appeared to install correctly (no error messages), but never appear within the device manager as installed. The mobo for this system does have an onboard sound system.

Will let everyone know tomorrow if the bios has any problems.
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by:gnerase
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Thank you so much. It was disabled in the bios. Obviously you were right about the person who sold it to me. He must have disabled it in the bios when adding a sound card and then removed his sound card prior to shipping pc to me without enabling the sound in the bios once again.
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