How to fix Windows Audio Device Graph Isolation high CPU usage?

This article will help you to fix high CPU usage by Windows’ audio Device Graph isolation. Suppose you have a really important and urgent task to finish but your pc is not performing as it should be. Maybe you need a quick edit, or perform heavy internet surfing, or need to make a 3D render but, unfortunately, you get stuck with a slow-performing pc.

You will be tired of this, yup!

Slow-performing or underperforming computer system often gets disturbing, especially if you need to get things done. Here, as per our opinion, one should keep a regular check on CPU performance to run things smoothly. One can check its PC’s CPU usage through Task Manager.

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

As reported by many users, one of the reasons behind high CPU usage is Windows Audio Device Graph Isolation.

In the next sections, we are about to find out,

  1. What Windows Audio Device Graph Isolation is?
  2. Why does it consume too much CPU?
  3. Do we need to disable Windows Audio Device Graph Isolation to enhance CPU performance?
  4. What are the methods to fix the high CPU usage problem by taking care of Windows Audio Device Graph Isolation to enhance CPU performance?

1. What is Windows Audio Device Graph Isolation?

To be precise, Windows Audio Device Graph Isolation (AudioDG.exe) is an essential/built-in audio engine of windows. It controls all of the windows audio functionality like scaling the device’s audio, tunning the device audio, customizing the device’s audio. It also takes care of your device’s audio when you are using third-party apps to customize the audio.

This windows audio engine lets other apps make changes for an enhanced audio experience without altering the device’s original audio settings. In simple words, it is a powerhouse of windows audio control and performance.

2. Why does it consume too much CPU?

As reported by the users, Windows Audio Device Graph Isolation is one of the high CPU consumption applications. And It might take a big share of your CPU sometimes. But if it is oddly occupying your CPU, it needs to check for problems and requires to be fixed.

3. Do we really need to disable Windows Audio Device Graph Isolation to enhance CPU performance?

It does not sound good that Windows Audio Device Graph Isolation should be disabled because it is the core of your device’s audio. You may end up with no audio if you disable it. So, it appears to be not desirable at all.

Instead, the root cause must be traced out as that’s why Windows Audio Device Graph Isolation is taking too much of your PC’s CPU. The following article is all about digging out the problem and its solution thereof. So, go through the full article to reach out to the root cause and also improve your tech knowledge thereof.

4. What are the methods to fix the high CPU usage problem by taking care of Windows Audio Device Graph Isolation to enhance CPU performance?

Some of the tricks are discussed hereunder to deal with the situation. It might not take you too long to go through all of the methods as there are only a few effective remedies, unlike other complicated issues.

3 Best Methods To Fix Windows Audio Device Graph?

Following are some methods to follow

1. Try changing/disabling all of the sound effects on your windows
2. Check-out for audio drivers of your device
3. Try scanning your computer for malware/viruses

As you have read our articles, your might have noticed that we really care about your valuable time. Yes! like the rest of our articles, this one also discusses the methods and sorts them in descending order in terms of the time they take for the remedy. We hope that it will make the situation easier for you to decide from where to start.

Method 1: Try Changing/Disabling All Of The Sound Effects On Your Windows

As Windows Audio Device Graph Isolation is taking care of all the background work involved with managing all of the audio on your windows, disabling all of the sound effects may help in reducing its take on CPU usage.

Follow the below-given steps to disable sound effects on your windows 10.

Step 1: There is a speaker icon located in the bottom right corner (beside where date and time are shown). Right-click on it.

Step 2: Click on “Playback devices” from the panel that appears.

Step 3: There, under the playback tab, you will see “Speakers”. Right-click on it.

Step 4: Form the panel that appears, choose “Properties”.

NOTE: If you’re using Windows 10, you might need to click on ‘Open Sound settings’ after when you’ll right-click on the speaker icon from the bottom right corner. Another window will open where you need to find and click ‘Sound Control Panel’. Now you’ll be able to perform Step-3 and Step-4 as given above.

Step 5: Go to the “Enhancements” tab.

Step 6: Check the box with the narration “Disable all enhancements”.

Step 7: Apply the settings and click ok.

Note: If your computer shows multiple audio playback devices, perform the steps for all of them to disable all the sound effects.

Method 2: Checkout For Audio Drivers Of Your Device

If your problem has not been resolved yet, the problem may lie with your device’s audio drivers. Either they are outdated, not compatible, or corrupt, and making Windows audio device isolation graph consume a sheer percentage of your CPU.

So, try to update your device’s drivers either manually or automatically through “device manager”

Step 1: Right-click on “This Pc” and then click on Manage from the drop-down panel.

Step 2: You will find “Device Manager” from the left side of the window that appears. Click on it!

Step 3: From the list of devices of your computer, find “Sound, video and Game controller”. Click on it to expand.

Step 4: Right-click on the audio device (the ones with the speaker icon)

Step 5: From the panel click “Update Driver Software” and then click on “Search automatically for updated driver software”

Step 6: Restart your computer and see if the trick worked.

Windows will automatically search the latest version of drivers that are compatible with your audio device and there are chances that any bugs or errors will be fixed. Thereafter, hopefully, you will not face the high CPU consumption problem again.

Method 2.1: Install/Update Audio Drivers Manually

This process is quite a similar subject to the fact that you have a copy of already downloaded audio drivers on your computer.

Just follow the steps from 1 to 4 as discussed above, and then select “Browse my computer for driver software”

Afterward, provide the path of the folder that contains the drivers’ files, the windows operating system will install the drivers.

Method 2.2: Install/Update Audio Drivers By Using A Third-Party App

One can use the software updater tools, these are available online all you need to do is to search for “driver updating tools”. Select one that seems trustworthy. If legit, they are easy to use a do all of the work for you. All you need to do is to install and follow the installer.

Note: Beware of viruses and malware while downloading the driver installers. Only download from trustworthy websites.

Method 3: Try Scanning Your Computer For Malware/Viruses

If the issue remains even after the above two remedies, then it is speculated that your PC is infected by some kind of virus or malware. And it is highly recommended to run a full PC scan for it.

But, before running a full scan of your system, there is a way to find out whether you are dealing with malware or not.

Sometimes due to some reason, this Windows Audio device Isolation graph may get infected by malware and cause huge performance losses to your PC by consuming up all of the CPU power.

You can ascertain if the case is such or not by simply ascertaining whether the location of the files matches when you go for it through the task manager.

Follow the below-given steps

Step 1: Open task manager by pressing Ctrl+Shift+Esc. This is a short key to open task managers.

Step 2: From there, find the Windows Audio Device Isolation Graph and right-click on it, and then “open file location”.

If this takes you to the C:\Windows\System32 folder, and you find your file there, it’s fine! But, if the file is not there, it will most likely be a virus.

So, coming back to the full scan of your pc, choose one of the most reputed anti-virus applications and install it. Nowadays many subjects similar to anti-viruses offer valuable free services like AVAST, AVG, Bit defender, Norton Anti-virus, etc.

Once you have downloaded the antivirus, run a scan. While scanning you can continue your activities on your PC as this anti-virus app is good enough to work in the background.

When the scan is finished, you don’t need to do anything as the anti-virus must already take the required action to clear your computer from the problems caused by a virus or malware.

Though your PC will run fine It is recommended that you should restart your computer for a refresh and take this effect.


Audio is an important element of your PC and nowadays we experiment with it more than ever before. We need an enhanced audio experience and as we can harness it with the help of applying special sound effects either directly from windows audio devices or through other applications like media players, audio players, and in-game settings.

Due to such experimentation, there are chances that we may end up in reduced CPU performance because most of the CPU power is being used by the audio engine/audio signal processor.

We have addressed the issue by providing you the information about root causes and simple solutions thereof. Hopefully, this article has helped you in dealing with a subject similar to such a situation!

You can also check below video tutorial:

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