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Windows 7: How to force Win to use AMD HDMI Sound Drivers


10 Feb 2013   #1

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 
How to force Win to use AMD HDMI Sound Drivers

For whatever reason, in Win 7 64 bit, my AMD Radeon HD7770 HDMI shows as "High Definition Audio Device" (the generic Microsoft drivers) rather than "AMD High Definition Audio Device". I have the same hardware and drivers on a dual boot (separate hard drives) on Win 8 and it shows as "AMD High Definition Audio Device".

Things I've tried:
1. Uninstall the High Defintion Audio Device in the Device Manager then restart the PC and let Windows detect and reinstall. Did not change.
2. Search for new driver, but all it finds is the one that is already installed.
3 Uninstall the HD Audio Device in the Device Manager again. Then install the latest AMD Catalyst/driver (the beta version, as I had the latest non-beta version installed), restart the PC. Still have the Microsoft driver listed rather than AMD.

Which driver works better is not the point. It should be using the AMD driver, not the generic Microsoft HD Audio Codec driver. My on-board audio (RealTek) is using the RealTek driver.

My System SpecsSystem Spec
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10 Feb 2013   #2

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

Fixed. Fell back to the 12-10 Catalyst/drivers. That was the one thing I didn't try. With the 12-10 drivers it shows "AMD" in the HDMI.

The 13-1 and the 13-2Beta5 when installed both show HD Audio (Microsoft). Must be a bug in the Win 7 drivers since the same drivers in Win 8 have the correct AMD in the HDMI.
My System SpecsSystem Spec
10 Feb 2013   #3
Microsoft MVP

Win 7 Ultimate x64
 
 

Tried the standalone ATI HDMI driver from Realtek?
My System SpecsSystem Spec
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10 Feb 2013   #4

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

I wouldn't think RealTek would have anything to do with AMD Radeon HDMI. ????
My System SpecsSystem Spec
10 Feb 2013   #5
Microsoft MVP

Win 7 Ultimate x64
 
 

It does as that is the chip used on the card for the HDMI audio. Realtek also has a download for it on their download page,

Realtek

ATI HDMI Audio Device R2.70 2012/6/22 22630k
My System SpecsSystem Spec
10 Feb 2013   #6

Windows 7, 64 bit Home SP1, Win 8.1.1 Pro 64 bit
 
 

That is an old driver, older than the one I got from AMD.

Also, note:
Quote:
Audio drivers available for download from the Realtek website are general drivers for our audio ICs, and may not offer the customizations made by your system/motherboard manufacturer. To be sure you obtain the full features/customizations provided in your original audio product, please download the latest drivers from your system/motherboard manufacturer's website.
My System SpecsSystem Spec
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 How to force Win to use AMD HDMI Sound Drivers




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