Thanks for the quick response. You have helped not one but two desperate xp users here. Though the 1st two links didn’t worked for download of the patch but the 3rd link mentioned in the solution worked for me. I have tried with both old and new drivers and tried your solution but still no sound from speakers unless i use the headphone channel on external box. In doing this process of getting audio to work for this laptop, has anyone else encountered the laptop asking for TWO drivers for the, “Audio Device on High Definition on Audio Bus”? Thx Ashesh, your post gave me and my readers yet another mirror for sp3 modified kb patch. Do not reboot 5.

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I reinstalled windows and only audio drivers weren’t recognized.

I have the HP G Please try to look again. Hi Mi name is George I have a issue on mi notebook Hp Compaq p All is ok ih have sound mixer balance but i can hear sound stereo on laptop speaker or head set. Weird that it is muted by default. Thanks, this worked for microsoft qfe update kb835221 to support uaa bus. Besides solution above you might want to try this: I just changed the setting and everything miraculously worked.

Last Drivers  W233 DRIVER

Recently I found Realtek audio drivers do include this patch and on installation would fix the issue regardless of SP version.

HP Notebook PCs – UAA (Universal Audio Architecture) | HP® Customer Support

Your advice solved the problem for me, after trying for more than four hours. Hi, I’m trying already for few days to get the sound from my comp, but unsuccessfully.

I tri to play from diferite muzic source winamp ,radio nexus,vlc plaver ,youtube. How do you initiate the installation of the patch?

I have to restart UAA bus at every boot with help of. A user just installed SP3 and broke this. But didn’t think and installed MS updates first incl SP3 without finishing installing all the drivers first.


But there is No Audio Device. I updage had to download the modem file mdmxsdk. I’ve contacted HP and they want me to reinstall.


I’m not sure what else to do to make this thing work. I understand if you don’t care to do tech support for me, but at this point my remaining solution is to buy an external soundcard, so I figure I might as well ask.

Hey Jose, How about drivers from Acer support site? I was looking for days to solve this problem and than i found this threat, 5 min. I usually ignore most of comments and in fact I answer one first time in a year.

Last Drivers  LENOVO 0761 DRIVER

HP Microsoft QFE Update (KB) to Support UAA Bus Driver – spexe Download – DriversGuru

Thank you so much. Didn’t work for me on the first try. I’ll echo what others have said – MS sux!

Perhaps somebody can helb me. Hi BSA, I came across this post while searching for a way to get my sound card to work. I can’t emphasize how much you rock: I have installed it and i even found it in the device manager. If you couldn’t fix your problem here is another solution i suppotr this and my sound works greate now: Spent hours trying to fix this before seeing this web page. Thanks much in advance!!!!! Hi BSA, i just downgraded my acer from vista to xp unattended edition.