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No Sound, no audio device, and unknowns

Hubie, on Thursday August 7, 2008 07:28:11 AM
Hello, I own a HP 7915. I recently crashed the system and had to do a system recovery. Afterwards I lost sound. I have seen simialr threads but none of them worked and there is a difference tro my problem that I have not been able to find an answer yet.

I went to sounds and devices and under volume it says No Audio Device.

Under the audio tab in sound playback it says under default device No Playback Device and voice playback it says under default device No Playback Device.

HP says my factory sound hardware is suppose to be Realtek Audio Codec or Creative Audigy, but when I go to the hardware tab it's not in there. There's a list of other devices and underneath it all there are two that says Unknown. I went to properties ansd it says

The drivers for this device are not installed. (Code 28)

To reinstall the drivers for this device, click Reinstall Driver.

I hit the reinstall driver through windows update and it searches and never finds it.

I don't get it. Why aren't the Realtek or Creative in my hardware, what are those unknowns and what should I do with them, and most important I want to get my sound back.
Configuration: Windows XP
Firefox 2.0.0.16
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gatis, on Sunday August 17, 2008 10:30:32 AM
o dont have a sound
no audio device
   
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hi, on Thursday September 4, 2008 10:50:09 PM
im having troble with my audio...trying 2 hear music and put movies on my computer and it keeps saying no audio devise detected or no audio device installed...can u please help me
   
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keshu, on Wednesday October 29, 2008 08:47:58 AM
pls,
send me a audio device.

thanks & regards,
keshu
   
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ananomous, on Monday September 1, 2008 08:25:55 PM
if you want sound go to free-codecs.com and lookup realtek ac97. downlo.install.enjoy
ad
   
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John, on Monday September  1, 2008 10:06:40 PM
hi hubie,



i saw your email and we have the same issue.  i've spent hours trying to get our sound back.  did anyone help you?

we would appreciate any help correcting this issue.  thanks,john
   
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Tab, on Saturday September  6, 2008 08:56:13 AM
Go to programs then to pc help and tools and then to application recovery then pick drivers that came with your computer and click realtek driver and reinstall.
   
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carla, on Saturday November  1, 2008 05:21:44 PM
Had the same problem after having to reinstall Windows XP Media 2005 due to virus.  I had reinstalled the driver (which I downloaded from dell - it was a Sigmatel audio driver).  But when I tried to play itunes, no mixer device available.  So, I went to Control panel/System/Hardware/device manager/system devices/Microsoft UAA Bus Driver for High Definition Audio - right click this - and hit update driver.  I did this for Plug and Play Software device Enumerator.  Shut down and restarted and wa la - it works.  Hope it does the same for you
   
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bharath, on Thursday November 13, 2008 11:05:16 AM
hi ! i am bharathi from singapore pls try to help me i hope read ur msg i have that same probalam so how do solve this probalam. we bye pc that time they given the all installer CD  i don't have so can't instal re programs . so pls try do help me solve this probalam.

                                Thank u
   
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Alroc762, on Friday November 21, 2008 02:34:03 PM
Hi Hubie, had similar problem. go to Control panel, Hardware, Device Manager, Sound Video and Game Controllers, Right click on Unknown and Update Driver. This updated an Audio Compatability Driver, restart your system and you should be good to go.
   
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 setare, on Friday November 28, 2008 06:29:53 PM
i dont have sounds and audio devices plz help me 

tanx
   
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