Home Technology Fix Windows Audio Device Graph Isolation High CPU Usage Issue

Fix Windows Audio Device Graph Isolation High CPU Usage Issue

windows audio device graph isolation

If you are looking at the task manager and wondering why Windows Audio device graph isolation is consuming too much CPU? Then you are not alone. Read on and find out how you can fix the issue.

What is Graph Isolation for Windows Audio Device?

In some cases, this process is displayed as AudioDG.exe. It is the official component of Windows and the home of the Windows audio engine. It controls the sound enhancement process. Many sound card vendors can add fancy sound features to Windows with their sound drivers, and windows can help you provide those advanced audio effects.

How to solve Windows Audio Device Graph Isolation issue?

Windows Audio Device Graph Isolation High CPU usage problem is largely due to enabled voice enhancement effects. Use the following solutions to solve the problem.

Solution #1: Run a full virus scan

windows audio device graph isolation

Although less likely, but there is still a probability that your PC is infected by a virus. So, it’s better to run a full scan from your antivirus software on your computer. If you haven’t installed any, then run a full scan from windows defender.

Verify the file location

AudioDG.exe is saved in “C: \ Windows \ System32” by default. So, you can verify the file location and determine if the process is a virus.

Right-click on the AudioDG.exe process and select Open File Location.

windows audio device graph isolation

If the file is saved in C: \ Windows \ System32, it is not a virus. Or else just delete it immediately.

Solution #2: Update the audio driver

The problem may be caused by the outdated audio driver. To resolve the issue, you can update the audio driver.

windows audio device graph isolation

  1. Download and install Driver Booster.
  2. After installing, open the app, click on scan to check all the outdated drivers.
  3. After scanning, the app displays a list of drivers to be updated on the computer.
  4. Click on update all to update the drivers. this may take 10 to 15 minutes depending on the size of drivers being installed.
  5. After all the drivers have been updated, restart your computer to make changes into effect.

Solution #3: Disable all sound effects

windows audio device graph isolation

  1. Right-click on the speaker icon in the lower right corner of the desktop and select Playback Tools.
  2. On the “Playback” tab, click on your preferred Audio Output device and click Properties.
  3. Go to the “Enhancements” tab. Check the checkbox next to Disable all sound effects. Then click OK.
  4. If you do not see the “Turn off all sound effects” option in the Speakers dialog box, go back to the playback tab in the Sound dialog box and select other sound options such as a microphone. Then turn off the sound effects.

Solution #4: Uninstall and reinstall Skype (for Skype users)

windows audio device graph isolation

If you encounter this problem while using Skype, then you could be facing Audio Device Graph Isolation because of that app. In that case, uninstall the software and install the latest version. Some Skype users have reported that this has worked for them. Maybe it will work for you too.

Solution #5: Disable “Hey Cortana”

Many users reported that their Audio Device Graph Isolation issue was solved after disabling Hey Cortana. You can try that as well.


windows audio device graph isolation


  1. Go to settings, then type “Cortana”.
  2. Click on “Change how you talk to Cortana”.
  3. In the “Hey Cortana” section, turn off “Let Cortana respond to ‘Hey Cortana'”.
  4. Restart your computer and verify if the issue is resolved.

These methods should definitely help in fixing the Audio Device Graph Isolation issue. Tell us in the comments which solution has worked out for you.