Fix Windows Audio Device Graph Isolation High CPU Usage Issue

Camilla Mo, in Common error Tags: Windows


In Task Manager, if you see “Windows Audio Device Graph Isolation” is taking up a lot of CPU, Memory, or Disk resources, don’t worry. Read on then you will find out how to fix this issue. Apply to Windows 10, 8, 8.1 & 7.


What is Windows Audio Device Graph Isolation?

In some cases, this process would show as AudioDG.exe. It is official part of Windows and the home of Windows audio engine. It controls the sound enhancement process. With it, sound card vendors can add fancy sound features to Windows with their sound drivers. And Windows can provide you with advanced audio effects.

How to fix the issue?

The Windows Audio Device Graph Isolation high CPU usage issue occurs mostly due to enabled sound enhancement effects. Just use the solutions below to fix the issue.

Solution 1: Run a Full Virus Scan 

Though the chances are low, the process could be virus. So use your antivirus software (if you have installed one) to run a full virus scan on your computer.

AudioDG.exe is saved in “C:\Windows\System32” by default. So you can tell if the process is virus by checking the file location.

Open the file location by right-clicking on the process and select Open file location



If the file is saved in C:\Windows\System32, then it is not virus.



Solution 2: Disable All Sound Effects

Follow steps below:

1. Right-click on the speaker icon at the bottom right corner of desktop and select Playback devices.


2. In “Playback” tab, highlight Speakers item and click Properties.


3. Go to “Enhancements” tab. Tick the checkbox next to Disable all sound effects. Then click OK.



If you don’t see option “Disable all sound effects” in Speakers properties dialog box, go back to Sound dialog box and select other sound options probably like Microphone. Then disable the sound effects.


Solution 3: Uninstall and Reinstall the Audio Driver

Follow steps below:

1. Press Win+R (Windows logo key and R key) at the same time. A Run dialog box will appear. 

2. Type devmgmt.msc in the run box and click OK button. This is to open Device Manager.



3. In Device Manager, expand category “Sound, video and game controllers“.
Under this category, right-click on your sound card device name. A context menu will pop up. Then select Uninstall.


 4. You may be required to confirm the uninstallation. Check the box next to “Delete the driver software for this device” and click OK button.



5. Restart your PC. Then Windows will install the generic audio driver automatically.

Alternatively, you can use Driver Easy to fix the audio driver issue. Driver Easy will scan your computer to detect all problem drivers, then provide you with new drivers. It has Free version and PRO version. With the PRO version, to fix all driver issues, you just need to click your mouse 2 times. And you will enjoy free expert tech support guarantee. You can contact us for further assistance regarding any driver Issue. You will enjoy 30-day money back guarantee. Just ask for a full refund if you are not satisfied with our product and the service.


Solution 4: Uninstall and Reinstall Skype (for Skype Users)

If you meet this issue when using Skype, uninstall the software and install a new version. Some Skype users have reported that this worked for them. Maybe it would work for you too.

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