February 14, 2008
Acer Aspire 4520 - Fix Realtek HD Audio Install Failure
If you are having a hard time installing Realtek High Definition Audio device on Windows XP with Acer Aspire 4520 then this might help you to solve that problem. Below are the errors that can be solve when following this guide.
1. “Install Realtek HD Audio Driver Failure”, when trying to install the Realtek HD Audio driver.
2. “Unable to find appropriate device drivers” after installing the Realtek HD Audio driver from the Acer Aspire 4520 resource cd.
3. Can’t remove or update the Realtek HD Audio device from the device manager.
Based on my experience, the Realtek HD audio device driver which came from the Acer Aspire 4520 doesn’t work though the installation went fine, so you have to download this Realtek HD audio driver.
If you have previous installation of the Realtek HD Audio driver then uninstall it first.
4. Open control panel, then Add/Remove programs, click on Realtek High Definition Audio driver and click remove button.
5. After uninstalling the Realtek High Definition audio driver, Open the Device Manager and look for the Microsoft UAA Bus Driver for High Definition Audio, Disable it and then remove. You will not be able to remove this device if you will not going to disable it first.
6. Install the downloaded Realtek HD Audio driver then restart when ask to do so.
Thats all about it, you should have a working audio device after the reboot.
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8 Comments on Acer Aspire 4520 - Fix Realtek HD Audio Install Failure »
February 26, 2008
Saulo Pereira @ 11:11 am:
Problemas com o Realtek High Definition Audio no Windows XP para notebook Acer Aspire 4520.
O procedimento a seguir funciona perfeitamente para solucionar o problema com o driver de audio Realtek para o Acer Aspire 4520. Resumindo os procedimentos:
1-Entre em Painel de Controle, Adicionar ou Remover Programas. Remova o Realtek previamente instalado pelo CD de drivers.
2-Entre em Painel de Controle, Sistema, Hardware, Gerenciador de Dispositivos. Clique duas vezes em Dispositivos de Sistema. Com o botão direito do mouse desative “Microsoft UAA Bus Driver for High Definition Audio”, e em seguida desinstale-o. Não basta desativar, é preciso desinstalar!
3-Faça o download de algum lugar do driver correto, que é o WDM_R186.exe, e execute. Ele instalará corretamente o Realtek High Definition Audio no seu Windows XP. Reinicie quando for solicitado e pronto, seu áudio estará funcionando corretamente.
April 6, 2008
Stan @ 4:31 pm:
THANK YOU!!!
April 12, 2008
Saud @ 1:34 am:
Hi,
i too am having problems with the audio on acer 4520.
I install the driver,no problems
But it does not get listed on the Device Manager.
And there is no audio.
Also i donot see microsoft UAA Bus driver that u mentioned in my device manager.
And when i unistall the driver i get message driver removal failure.
Please help
April 28, 2008
jig @ 4:51 am:
same here… any work arounds? i tried a number of audio drivers already… still none
Batman @ 1:00 pm:
go to control panel, add/remove programs and look for the realtek high definition audio driver and uninstall it, reboot your pc and then follow the instructions above.
HTH
May 2, 2008
Andrew @ 11:03 pm:
Thank You!
July 6, 2008
baee @ 12:42 pm:
dear friend,
i m also having same problem at my 4920 notebook during installing audio driver,can i follow the same step as you give for 4520?do help me..pleasee!!!
Thks n regards,
July 7, 2008
Batman @ 9:45 am:
If it is Realtek HD Audio then you can simply follow this instruction, if not then im afraid you have to give me more details on the problem so i could at least help you.