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AudioEndpointBuilder – The Dilemma

Posted by admin on March 9, 2018 in IT |

Thought I’d make this post to help save some time if someone else came across it. I was recently asked to fix a Windows 8.1 64-bit Laptop with no sound. The problem being specific to Windows 8 laptops

 

Talk about a night mare. The sound wasn’t working basically because the “Windows Audio” service wasn’t started. The problem is this thing relies on 3 other dependancies before it can work

– Remote Procedure Call (RPC)

– Multimedia Class Scheduler (MMCSS)

– AudioEndpointBuilder

 

Everything would start except for the AudioEndpointBuilder. It would fail with an error code 193:0xc1. The log in even viewer said it was not a 32-bit application

 

After going through various troubleshooting procedures after going through the usuals. I trailed the web and checked everything suggested

  • Reinstalling the sound drivers, motherboard drivers
  • Running SFC.exe
  • Checking the registry – making sure the paths were correct
  • Accepting the windows drivers
  • Booting into safe mode
  • Recreating the service.

None of it it worked, the only thing I could do would be either reinstall windows or find a solution

 

Luckily I found a solution (or rather a bodge)

Basically to fix the Windows 8 audio problem I did the following after finding it online…

 

– Open the registry

– Navigate to Microsoft\Windows\Current Control Set\Services\AudioSrv

Look for the path which talks about dependancies, there will be 3 entries

– RPC

– MMCSS

– AudioEndpointBuilder

 

You need to open this and delete the values for AudioEndpointBuillder and Rpc

Save it and reboot. The audio, should now be working

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