Solved No audio after rebuilding PC.

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iliketuna

iliketuna

PCHF Member
Aug 16, 2021
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Long story short, old GPU was dying and I was stuck rebooting a bunch of times. Bought a new one, dismounted and rebuilt the entire PC on another tower (changed PSU too) and for some reason the motherboard sound card won't input or output audio at all on the speakers. I've searched far and wide and can't for the life of me figure out what's wrong.
Here are the details.
  • Using W10 2004 and a B450 Tomahawk. New GPU is a 3070ti, and the new tower is an Aerocool Sentinel.
  • Speakers work fine. They're plugged in the monitor, which receives sound info via HDMI.
  • When they (or any other audio device) is plugged in the MB sound card, W10 recognizes the device.
  • Sound configuration will show the equalizers outputting sound, but speakesr stay silent.
  • I've updated, uninstalled and reinstalled the Realtek HD Audio drivers a dozen of times to no avail.
  • HD audio is enabled in the BIOS, and Speakers Realtek HD Audio is properly selected. Plus, the HD Audio connector is also properly plugged in the MB.
My only guess is... ether I broke something in the MB when rebuilding or the tower audio connector being defective, but I can't really tell. Any ideas?
 
phillpower2 said:
Being that you are wanting audio via the HDMI port on the GPU shouldn`t you be using NVidea HD audio drivers.
Click to expand...
Excuse me for not clarifying: audio on the HDMI port of the GPU is being used out of necessity (can't have audio otherwise due to my issue), I was just mentioning it to prove that nothing seems to be wrong with the speakers themselves.

I want to use the motherboard's audio card, since it has better quality and enables audio input, but whatever I plug in the motherboard stays silent.
 
Have you tried installing just the video drivers for the GPU rather than the whole Nvidea driver package, from what you have post it looks like your GPUs audio is being made the default and cancelling out the onboard in the process.

If not seen already there are a few suggestions here

Edit to add: Can I just check that you are aware that you can only use either the front audio ports on their own and likewise only the rear audio ports on the MB, one cancels out the other if you put something in the front ports and something in the rear at the same time.
 
phillpower2 said:
Have you tried installing just the video drivers for the GPU rather than the whole Nvidea driver package, from what you have post it looks like your GPUs audio is being made the default and cancelling out the onboard in the process.
Click to expand...
I've tried disabling and uninstalling them, no results.

phillpower2 said:
If not seen already there are a few suggestions here
Click to expand...
Just ran through the list again, seems like nothing works.
phillpower2 said:
Edit to add: Can I just check that you are aware that you can only use either the front audio ports on their own
Click to expand...
Good point! But I'm only using the rear port, if I use the front one is just to check if there's no audio there as well.

I contacted a technician to uninstall and reinstall drivers using AnyDesk's screenshare, and oddly enough they could hear the digital audio from Windows even if none of my audio devices would output any. Seems like there's something hardware-related failing.
 
iliketuna said:
I've tried disabling and uninstalling them, no results.
Click to expand...

When you did this did you still get audio through the GPUs HDMI port.

Lets see if MTB flags anything up, if not we will check with something else;

Download MiniToolBox and save the file to the Desktop.

Close the browser and run the tool, check the following options;

List last 10 Event Viewer Errors
List Installed Programs
List Devices (Only Problems)
List Users, Partitions and Memory size

Click on Go.

Post the resulting log in your next reply for us if you will.
 
Did a clean W10 Home install on a separate drive and tried updating Realtek HD Audio drivers + Nvidia drivers (without the audio) and still no dice.

Still trying to pinpoint where's the problem, but I'm starting to bet in a hardware fault, be it the tower HD audio connector or the MB audio card. I took as many precautions as I could but maybe I messed up something.

Here's the file! Thanks for the help.
 

Attachments

iliketuna said:
Did a clean W10 Home install on a separate drive
Click to expand...

Was the clean install done on the PC that this MB is in and once Windows had been installed did you then install the chipset drivers followed by the storage drivers and thirdly by the GPU drivers, this is a must because if you don`t install the chipset drivers first any other drivers cannot install properly, the drivers must be direct from the maker of the MB and Windows should not be allowed to check for updates before you have installed the chipset drivers as Windows has a nasty habit of installing the wrong drivers.

Sorry but while your English is excellent my Spanish is terrible, any chance that you can redo MTB in English for us.
 
Ah, my bad, didnt realize having the OS in spanish would change the file language as well. This one should be mostly in english, sorry for that.

Also, I retried the Windows install once again following your advice, didnt work. Wonder if its truly a driver issue.
 

Attachments

No worries but the log is showing problems from a couple of months back which means that the log was generated before Windows has been clean installed as detailed in my reply #8;

phillpower2 said:
Was the clean install done on the PC that this MB is in and once Windows had been installed did you then install the chipset drivers followed by the storage drivers and thirdly by the GPU drivers, this is a must because if you don`t install the chipset drivers first any other drivers cannot install properly, the drivers must be direct from the maker of the MB and Windows should not be allowed to check for updates before you have installed the chipset drivers as Windows has a nasty habit of installing the wrong drivers.
Click to expand...

I may not be around until Wednesday now as I have other commitments.
 
Sorry for the delay. In the end I sent it to a shop for a diagnostic and turns out it was indeed the motheboards' fault. I appreciate your help, thanks for the ideas!

EDIT: How do I mark the thread as closed? I can only change the prefix to "Question" again. Sorry for that, I'm new to the platform.
 
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No worries and thank you for getting back to us, sorry that it not better news :(

Will mark your thread accordingly.
 
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