How to Fix Windows Audio Device Graph Isolation [100% Error Fix]

While checking your computer performance with Windows Task Manager, it can be a problem if you see the “Windows audio device graph isolation” process (audiodg.exe) with high CPU and memory usage. Also, your computer will slow down and can’t do any work with it because of this high usage process. This unfamiliar process is not dangerous for your PC. It will serve as the audio engine in your operating system so that third-party apps can run sound on your computer.

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What is the “Windows Audio Device Graph Isolation” Process?

Disabling “Windows audio device graph isolation” is not a good idea as this process is important for the Windows operating system to implement third party sound effects. So if you are bothered by this high usage process, you should take care of this. There are a few solutions to fix this high usage problem without disabling the process.

windows audio device graph isolation
Picture from Howtogeek

Fix Windows Audio Device Graph Isolation

Before proceeding to the solutions, make sure that it is not a virus or malware. In some cases, the task manager may show this process due to a virus. So scan your entire computer using a good virus protector. If it is not a virus, you can proceed with the solution below to reduce the high use of this process.

Best Solution: Disable All Sound Effects

This solution will help you to reduce the high usage of computer performance if it is not malware. As well as this trick will instantly reduce the high usage of CPU & Memory.

  1. First, right-click on the speaker icon on Taskbar.
  2. Click on the Playback Devices.
  3. Now select the speaker/headphone from the popup window.
  4. Once you have selected, click on the properties.
  5. Navigate to the Enhancements tab.
  6. Now Check Disable all sound effects option and Click OK to save settings. 
windows audio device graph isolation

Once you do this, the “Windows audio device graph isolation” process will instantly reduce your high use of computer performance.


Solution 02: Update Your Audio Driver

If it still has a high usage of CPU & Memory, you can try this solution to reduce it. Sometimes this “audiodg.exe” process is taking a lot of usages due to audio driver outdated. So you should update your audio driver to get an impact result. To update your audio driver:

  1. First, right-click on This PC and select Manage.
  2. Then select Device Manager from the left side menu.
  3. Then find and select “Sound, video, and game controllers“.
  4. Now select your audio driver from the drop-down list.
  5. In my case, I have a “Conexant SmartAudio HD” Driver. So Right-click and select Update Driver.
windows audio device graph isolation

Once you have updated the Audio driver on your computer, the “Windows audio device graph isolation” process will reduce the high usage of CPU & Memory.


Solution 03: Change Audio Sample rate & Bit depth

If your computer audio system sample rate and bit depth higher than your audio driver and speakers, the “audiodg.exe” process will take high usage of computer performance. Follow the steps below to change the sample rate and bit depth on your computer.

  1. First, right-click on the speaker icon on Taskbar and select the Playback devices.
  2. Then select your Audio driver and click on the Properties.
  3. Then navigate to the Advanced tab.
  4. Now select the sample rate that matches your audio driver. I recommended selecting a “24 bit, 44100 Hz (Studio Quality)” rate.
windows audio device graph isolation

Now check the audiodg.exe process with the task manager. It should be reduced the high usage of CPU & Memory.


Final Word

Those are the best method to reduce the high usage of the Windows audio device graph isolation process without disabling it. So please make sure to share this article with your friends if you got help. Also, if you have any questions about this, feel free to contact us through contact us page.