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Missing Driver for Audio Device on HD Audio Bus

Posted on 2008-10-29
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Last Modified: 2013-12-01
I had to do a clean installation of Win XP SP2 Pro on Toughbook CF-52G. Installed all drivers from Panasonic website, including Audio (SoundMax). The only driver that is still missing in the device Manager is Audio Device on High Definition Audio Bus. Sound works, but because the device is not installed, SoundMax control panel is disabled. Any help will be appreciated.
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Question by:ElenaR
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by:TCB1
ID: 22833398
Check the bios to see if you have HD enable. Sometimes there will be an option of AC97 or HD. Also, you can try this Driver utility.

http://www.innovative-sol.com/drivermax/
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by:Mark
ID: 22836822
You probably need to install the MS UAA driver since this is HD audio. This needs to be installed before the audio driver. Click on the hotfix link at the top of this page
http://support.microsoft.com/kb/835221
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ElenaR earned 0 total points
ID: 22867513
Thank you TCB1 and Sparkmaker! . Appreciate your help.
The MS UAA driver was installed before the audio driver.
I resolved the issue by downloading HDMI audio driver from this location:
https://www.downloadatoz.com/driver/item_273228.html
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by:MPCP-Brian
ID: 22905957
Maybe we can walk through and find the drivers from the manufacturers...
1. Right Click on My Computer, Left click on Manage.
2. Click on Device Manager, you should notice on the right hand side icons with a yellow symbol next to them, this shows the device is unknown, or drivers are not installed.
3. Right click a device you are looking for, left click on properties.
4. Click on the Details tab on the top of the menu that popped up.
5. You should see some code in the middle that looks similar to this:
             "PCI\VEN_14E4&DEV_169C&SUBSYS_308&"
The important peices are:
    VEN_14E4    is    Vendor 14E4
    DEV_169C    is    Device 169C    for     Vendor    14E4

You can take this information to the website http://www.pcidatabase.com and find the specific device information for the drivers, then go to the manufacturer website and see if they make drivers for Windows XP, some hardware is Vista specific and the manufacturer's do not have driver support for Windows XP.

*Once you are in the Vendor and are searching for the Device you can hold CTRL and press 'F'.
-This is the Find feature, type in the Device ID and it will find it much quicker, since some pages are quite long.

Hope this helps!
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