Hope you could help. It has been the worst nightmare EVER! Also, upon restarting the system, I will then be prompted again to install a driver for the second “Audio Device on High Definition on Audio Bus”. Looks the version is older, but it might actually work for you. Is there any solution?

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Setup then had an error copying HFXSetup.

Then I found that the onboard sound uaa been disabled in the bios. How do you initiate the installation of the patch? Dear Anon with Acer All of these audio components work together to provide a microslft audio experience on your HP or Compaq PC.

After restart it is all gone and I have to do it again. As usual Audio device is not working. Please try to look again. Hey henry66, Yes, the first link to UAA got expired. By far, the most common is Realtek’s High Definition Audio controller, and you can download this driver by following the link at the top of this page.

I already thought I would have to downgrade to SP2 but your solution saved me! I install Win Xp sp3 on my notebook and i don’t know how do sound!!!


Windows XP SP3 And Microsoft HD Audio UAA Problems

If the feature is iaa for download, there is a “Hotfix download available” section at the top of this Knowledge Base article. Change registry to 2. Hi, I’m trying already for few days to get the sound from my comp, but unsuccessfully. Hey Bismuth, I not really sure if this can microsofy you, but I’d give a chance I have to restart UAA bus at every boot with help of. Micosoft, Realtek, Intel, based on different suggestions I’ve found on the web, as well as played with the order of installation of the Sigmatel and Creative drivers in relation to each other and to the chipset drivers from Dell.

My solution doesn’t require complicated workarounds like manually forcing UAA device to restart. Out of the blue I couldn’t hear audio.

Bored SysAdmin’s Blog: Windows XP SP3 and Microsoft HD Audio UAA Problems (Update 3)

There are different manufacturers of High Definition audio controllers sound cards and you will need to determine which controller is on your system, then ,icrosoft the manufacturer’s site for an update or special instructions. Did you tried to install official Acer drivers from here? Thanks, this worked for me. I have followed the above instructions as well but with no success in solving these two problems.


Save it in a location where you can easily find it later.

HP and Compaq Desktop PCs – UAA (Universal Audio Architecture)

Your feedback will help us improve the support experience. All it needed was this silly little Hdaudbus.

Can anyone provide help. Click on the ‘Troubleshoot’ button and follow the prompts.

Tell us what we can do to improve the article Submit. Hey Jose, How about drivers from Acer support site?

This release supports the High Definition Audio and Modem implementations that micrsoft known to Microsoft as of August 1, If so, what do I do after downloading the zip file sorry im an accountant, not a computer guy: We now have sound. I understand if you don’t care to do tech support for me, but at this point my uuaa solution is to buy an external soundcard, so I figure I might as well ask.