No onboard audio after new MSI GTX 970 4G gpu - Ideas?

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Andrew Green

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May 31, 2013
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I'm having an issue getting my on-board audio to work after installing a new MSI 970. I'm to the point of just buying a sound card and being done with it, but I figured I'd ask this community before just assuming it's a hardware issue. I've scoured this and other forums and so far no solutions have worked for me. The sound worked fine with my Sapphire 7870 Ghz installed in the same port, but stopped after I plugged in the 970. I've been using a 5.1 surround system with the green, black and orange connectors. Here's what I've checked/observed already:

1) Speakers are selected under "Playback devices", so it's not trying to route sound to HDMI there (is there somewhere else I could check?).
2) On-board audio is enabled in BIOS with HD Audio selected.
3) Problem persists before and after upgrade from Windows 7 Ultimate to Windows 10; also persists when I boot into Windows 7 Home on another hard drive. (The hard drive is used with my primary Windows installation, but I have not booted this secondary Windows installation in months)
4) Realtek detects that a device is plugged in whenever I plug and unplug the speakers, so there is SOME sort of signal registering through those ports.
5) Sound and Video drivers have been removed and reinstalled several times (old AMD drivers have been removed)
6) I remember that when I was trying to get that massive GPU into my case, a misalignment between the card and PCI port resulted in soft pop sound in my speaker, identical to the pop you hear when you plug your speakers into the computer. It didn't sound problematic, but maybe I fried something?

I'm out of ideas at this point. Does anybody have any more suggestions I should try before throwing in the towel and buying a sound card? Let me know if any more information would be helpful.

EDIT: I've also plugged the front speaker cable into my phone to see if any sound went through, and immediately it worked, so I don't think my speakers have gone. Also, I hear them "pop" when Windows comes up, as if suddenly receiving a signal, but no actual sounds.

System specs:
MB: ASUS P8Z77-V LK
PSU: Corsair CS750
CPU: Intel i5 3570K
GPU: MSI Geforce Gtx 970 4G
RAM: 16GB (2 x 8GB) Corsair Vengeance RAM, 2400 Mhz
HD: Samsung 650 Evo SSD - 240 GB
Samsung 1 TB HD - 7200 RPM
Older 500GB HD - can't recall details ATM (posting at work)
 
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Andrew Green

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May 31, 2013
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Thanks for the reply. I have tried this, using drivers from Realtek, from ASUS and from Microsoft, all to no avail.
 
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spagalicious

spagalicious

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It's honestly hard to say what could be causing the issue, it sounds like you've troubleshooted pretty well. You didn't mention it in your post but have you tried clearing the CMOS? A definitive bios reset will help to isolate the problem to software vs. hardware.

The pop occured while the system was on and the card was installed, albeit, misaligned? Or were you adjusting the card while the system was powered on?

Also, does the front I/O panel on your case have a headphone jack or the like to see if it indeed the main audio chip that has malfunctioned on the board?
 
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Andrew Green

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May 31, 2013
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Thanks for the suggestion. I've never cleared CMOS. My reading indicates this just means removing the button battery from the board, correct?

The "pop" occurred while the system was off, during my initial installation of the card. I don't think it was static because I was grounded to my case. I think I may have touched part of the card to the board while trying to align with the target PCI slot.

I do not have a front panel headphone jack.
 
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Andrew Green

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May 31, 2013
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Unfortunately I can't test this because I've already sold and shipped the card. One thing I've not yet tried is removing the card and running using the integrated video chip. I would think this might have the same diagnostic effect, yes?
 
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Andrew Green

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May 31, 2013
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Thanks, I'll give it a shot this evening if I get a chance. Would BIOS really be the issue? I know that the BIOS installed on prebuilds such as those from HP or Dell do some wonky things with new hardware. It would be for me to understand better if and how BIOS can be affected in any way other than intentional user intervention.
 
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spagalicious

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It is really hard to say. It is best to try everything before purchasing additional hardware, no? A quick google and it seems that this is a common issue with the board. I haven't read through the threads from the search but maybe someone found a solution.
https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=asus+p8z77-v+lx+onboard+no+sound

I'd try the CMOS reset and the onboard graphics. If nothing else, at least you tried and you can pick up a sound card knowing you gave it a shot.
 
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Andrew Green

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May 31, 2013
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Very true, and I'll definitely give it a shot. I've looked through many of those posts that you linked and most of the "solutions" involve the words "DOA" and "RMA." I've had this issue myself in the past, though none that have lasted this long. I've wasted two entire evenings and even lost a bit of sleep trying to fix it this time.
 
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Andrew Green

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May 31, 2013
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Well, I gave everything a go last night, all to no avail. Here is what I tried:

-Reset CMOS
-Uninstalled all drivers and unplugged GPU
-Reinstalled Windows 10 (for good measure, but probably unnecessary since I had already tried a different Windows installation).

I've convinced myself that the "pop" I heard during the GPU installation must have been some sort of static charge that I am lucky only appears to have affected the on-board audio. I've noticed that the different options on the "Playback devices" menu sometimes flash on and off, as if something is being connected and disconnected. This is usually either headphones or a microphone, neither of which is actually connected.

I think I will just shell out the cash for a sound card and be done with it. Thanks for all of the assistance!
 
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Eric t

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Dec 16, 2015
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Did the sound card fix your issue? Im having the same thing happen with mine but it happened when i installed a second 970. I didn't hear a pop or anything like that. I bought a sound card and still no luck. Im at my wits end trying to figure this out
 
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Andrew Green

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May 31, 2013
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The new sound card fixed the issue for me, so I must have fried the on-board. Sorry to hear this is causing you trouble; I still remember the hours I wasted trying to fix this problem. It's interesting that a new sound card didn't fix it. I assume at this point you've exhaustively tried all of the software fixes, including disabling/uninstalling nVidia HD Audio?
 
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