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Windows 7: A Different Surround Sound problem

04 Apr 2010   #1
roger2717

windows 7
 
 
A Different Surround Sound problem

A few days ago I had to replace my motherboard. The PCIe video card from the old system is a Radeon 4350 with HDMI (7.1 capable) which I consider to be better than the on-board Radeon 2100 in the new mobo (it's HDMI only supports 2-channel). I have the 2100 disabled in the device manager.

If i go to Control Panel/Sounds, all 6 channels test perfectly on the Radeon 4350! But then I go to MediaCenter settings and tell it I have a 5.1 audio and it accepts it, but when MediaCenter tests the speakers or plays back a show recorded in 5.1, all sound comes out of just the front L & R speakers attached to my HDMI-switching receiver.

I'm going to see if it makes any difference to disable the audio on both HDMI's and use the optical S/PDIF instead.




My System SpecsSystem Spec
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04 Apr 2010   #2
roger2717

windows 7
 
 
PS

I should have added that besides disabling the on-board video/HDMI in device manager, I have tried with them enabled; disabled in the bios and just about any other combination possible.
My System SpecsSystem Spec
04 Apr 2010   #3
roger2717

windows 7
 
 

New mobo is Asus M4A78L-M with 4gb DDR2
My System SpecsSystem Spec
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04 Apr 2010   #4
Techymike

windows 7 home premium 64, and Windows 10 64 bit
 
 

Did you set the bios for the correct audio settings?
My System SpecsSystem Spec
04 Apr 2010   #5
CommonTater

XP Pro SP3 X86 / Win7 Pro X86
 
 

Quote   Quote: Originally Posted by roger2717 View Post
A few days ago I had to replace my motherboard. The PCIe video card from the old system is a Radeon 4350 with HDMI (7.1 capable) which I consider to be better than the on-board Radeon 2100 in the new mobo (it's HDMI only supports 2-channel). I have the 2100 disabled in the device manager.

If i go to Control Panel/Sounds, all 6 channels test perfectly on the Radeon 4350! But then I go to MediaCenter settings and tell it I have a 5.1 audio and it accepts it, but when MediaCenter tests the speakers or plays back a show recorded in 5.1, all sound comes out of just the front L & R speakers attached to my HDMI-switching receiver.

I'm going to see if it makes any difference to disable the audio on both HDMI's and use the optical S/PDIF instead.

This might not help, but it seems worth a try...

Set your video as you want it... then reinstall your audio drivers afterward...

It might be a simple detection problem.
My System SpecsSystem Spec
04 Apr 2010   #6
roger2717

windows 7
 
 
Using the S/PDIF works

After stealing a Toslink cable from another piece of equipment and routing the HDMI straight from the pc to the tv and the optical from the pc to the receiver, I got MediaCenter to send the surround signals to the surround speakers instead of dumping everything to the front L & R.

As far as drivers, remember I said that everything was perfect from the test within Control Panel - it only screwed up in MediaCenter. I had a similar experience previously on Vista. My take is that MC can "see" the other HDMI which only has 2 channels even though I disabled it in device manager and control panel/sounds.

My System SpecsSystem Spec
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 A Different Surround Sound problem




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