Loss of system sounds and the internet, speakers pass test.

I have seen this issue a couple of times for its complete loss, but only once for my specific problem.  I am running Windows Vista 32 - bit OS with speakers Realtek High Definition Audio on a HP Pavilion Media Center m7760n.  I have run the diagnostics on my speakers and that they work properly.

Here's my question:

Lost computer system sounds and flashplayer/internet despite the audio device in place and work properly.  I still have sound when playing Windows Media Player and iTunes, so it doesn't seem like a problem of device or driver, although I did uninstall and reinstall the driver.  I also performed some diagnostics on the speakers and in the test that they did play sounds, but they haven't played the system sounds in the sounds/system folder.  Another strange appearance is the presence of the sound of my PC, an alert tone, I don't remember having heard it before and cannot be bound.  These are the programs that have been installed around the time I lost sound: Windows Update, Package of device driver of network adapters Apple and Serial Bus controller device driver Package universal of Apple, Inc.  This computer has always run Vista, so is not upgrade, and I don't think it's a Service Pack, it could only be that of the update, so I don't know if these answers would really help me.  I searched on Google, CNet, HP and the basis of knowledge of Windows without success.

Here is a link to a question from CNet which reflects mine, but relates to the execution of a registry cleaner, that I did not.  http://forums.CNET.com/5208-12546_102-0.html?ThreadId=345265

I read on one of my research about it being a registry with Flash or a missing codec problem, but it wants me to download K-Lite codec pack which I don't know that I need.

I run a restore if there is no available answer, but it would be good to know what the problem is.  I can't be the only one with this problem, if there is someone out there who knows how to solve this problem, your help would be greatly appreciated!

Terri,
If this problem started when you downloaded the updates listed in your first post, you tried to remove these updates to see if the problem goes away?  What are the Apple updates that you noted in your post - what kind of Apple devices you have installed?  And what Vista update - what is has been downloaded just before this problem?  Just try to identify what it is a very strange problem with it only affects some sounds, but not all.  I know that some Vista updates can return drivers for Windows by default, crushing the drivers from the manufacturer, so you could check and make sure you have the latest drivers from the manufacturer and not the default Windows drivers.  Also check your templates of sounds in the control panel.  Try selecting different models of sounds to see if any of them will play sounds.  As a first step, you said that the sound works with Media Player and iTunes, but in your last post, you said that it gives you an error when you try to play a CD.  What is the exact error and what program are you trying to use to play the CD?  I know that you do not want to do the system restore, but you may need.

Here's one thing to try before you perform the restore:
To run the System File Checker tool, follow these steps:
Click Start and type cmd in the box start the search.
Right click on cmd in the list programs, and then click Run as administrator.
If you are prompted for an administrator password or a confirmation, type your password or click on continue
At the command prompt, type the following line and press ENTER:
sfc/scannow
When the analysis is complete, test to see if the problem you are experiencing is resolved.

LST know us if this has been helpful for you and how we can be of further assistance.
Thank you
Gloria
Microsoft Answers Support Engineer
Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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