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Plugged in new monitor and now my 5.1 channel setup is broken

Last response: in Home Audio
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December 26, 2013 1:57:03 PM

I have a windows 7 64 bit system with the following hardware:

Mobo: ASRock z87 extreme4
Graphics: MSI nVidia gtx 760
CPU: intel 4770k

I received a new monitor for Christmas, and upon plugging it in for a dual-monitor setup, my 5.1 channel configuration isn't working properly anymore. There is no sound out of the front left speaker, and when I run the sound tests, sound comes out of the front-right speaker during the test for the front-left speaker. None of the wires for the speaker configuration have been altered since they last worked. Sound is working properly for the other speakers.

I just updated to the most recent drivers for RealtekHD on ASRock's product page for the motherboard.
a b $ Windows 7
a b C Monitor
December 26, 2013 2:04:16 PM

If you are using HDMI on the new monitor, it may be trying to route the audio through that cable - make sure the default audio device is set correctly.
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December 26, 2013 3:01:47 PM

ronintexas said:
If you are using HDMI on the new monitor, it may be trying to route the audio through that cable - make sure the default audio device is set correctly.


I am using HDMI, but I have disable all other visible audio devices in the playback devices menu.
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Best solution

a b $ Windows 7
a b C Monitor
December 27, 2013 6:55:17 AM

On the GPU driver settings, often there is an "automatic configuration" check box - what happens is when HDMI video is detected that supports audio, it tries to switch to HDMI audio (even though you disabled it). Make sure that is not checked....
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December 27, 2013 9:45:45 AM

Do you know exactly what I am looking for? I just disabled the HDMI port for audio on the Set Up Digital Audio on the nVidia Control Panel.
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a b $ Windows 7
a b C Monitor
December 27, 2013 12:51:22 PM

I believe that is correct - if you want to use your audio device on the system, disabling the HDMI port audio will keep it set correctly.
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December 27, 2013 1:24:43 PM

ronintexas said:
I believe that is correct - if you want to use your audio device on the system, disabling the HDMI port audio will keep it set correctly.


Well doing that didn't fix it. I'm tempted to just switch to a dvi cord, but the ones that I have are not long enough.
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