Sign in with Twitter. Did you tried to install official Acer drivers from here? Thanks, it worked for me too. Please help me, because i need the laptop for recording purposes, ergo right now its just a piece of useless plastic located in my room. Unzip and find your language folder 6.

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Posted 17 May – If you HD audio still doesn’t work, check out this solution: All of these audio components work together to provide a high-definition audio experience on your notebook PC. I reinstalled windows and only audio drivers weren’t recognized.

What happened, and how do I fix it? Thanks to you registry tweak every bux is working now.

Jus the Hex Change alone will solve my problem huh??? Posted 15 May – I also had to download the modem file mdmxsdk. Asia Pacific and Oceania.

Can anyone provide help. Support Forum Join the conversation!

HP Microsoft QFE Update (KB835221) to Support UAA Bus Driver

Audio Device Technologies for Windows in English. At last all is well suppot the world Please alert your readers in case this happens to them. Thanks for posting such an easy to follow solution to this infuriating problem.


Edited by rpsupporter, 16 May – Out of the blue I couldn’t hear audio. If yes and still didn’t recognized: In vista i get all the features working cool. Great blog and many thanks for the XP SP3 fix for the audio system.

HP and Compaq Desktop PCs – UAA (Universal Audio Architecture) | HP® Customer Support

Thanks again everyone for the help. After I turned off my laptop that morning and tried to work on it again afterward, Windows again failed to detect my device. But it will also disappear after suppoort.

THEN installed all my device drivers. Tricking it into thinking SP2 was installed worked.


If I try to attempt to comeback from standby, audio stops working unless I restart the system. I dont understand why it wont work. Thanks for the Support. Thanks a lot for the info!

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

Do you know what is going on? When the operating system on a computer is changed, the drivers that worked for one operating system may not work with the new operating system, and may cause error messages to appear, or cause the audio not to function at all.


There’s a error message saying something like: Sound is mono when change value of balance control sound is mono right or left not change sound updat mono. I reinstalled XP with a slipstreamed SP3 disk, and downloaded all the necessary drivers from Dell, based on my service tag number.