Windows Audio Device Graph Isolation High CPU: How To Fix

Windows Audio Device Graph Isolation” is associated with Windows Operating System based computer that serves as primary audio engine in Windows 10. It handles digital signal processing including advanced audio enhancements effects that is provided by Windows. This type of service allows the developers of hardware audio products to add their own audio enhancement service without replacing the Windows Audio Service.

This isolation service is completely different from the Standard Windows Audio Service. Windows Audio Device Graph Isolation also ensures that Windows always provides a way to disable Audio Enhancements in the OS and enable the same feature related to hardware device you are using.

In most of the cases, audio hardware manufacturers replace the “Windows Audio Device Graph Isolation” with their own digital signal process service like “Creative High Definition Audio Service”.

Reasons behind Windows Audio Device Graph Isolation high CPU Usage

Many Windows users have already reported about this isolation service high CPU usage on various popular online platforms including Microsoft Official forum site and asked for the solution. They explained that they have trouble with audio enhancements causing significantly higher use of System resources, thrashing hard drive or consuming CPU or memory.

In normal condition, “Windows Audio Device Graph Isolation” process use 0% of CPU, minimal memory and no disk activity. These numbers may vary from 0% to higher but not much when audio effects are being applied. You can easily check the CPU, memory or hard disk usage in “Task Manager”. If you see “Windows Audio Device Graph Isolation” process using more System resources, then you may have a problem.

Is Windows Audio Device Graph Isolation a virus?

As discussed above, this isolation service is associated with Windows Operating System and it is probably not a virus. But it might possible that hackers have successful in installing viruses in your computer that hack such isolation services’ processes. As a result of this infection, you see this isolation service uses more System resources.

To check whether this process is virus or not, open “Task Manager” in your Windows computer and locate “Windows Audio Device Graph Isolation” process in list of processes, right-click on it and select File Location. This file will be located in “C:\\Windows\System32” with the same name or as “AudioDG.exe”. If the file is stored in the default location, then it is sure that it is not a virus.

If Windows Audio Device Graph Isolation is not a virus, then why is it consuming hard disk, CPU or memory?

  • Faculty Audio driver
  • Enabled Advance sound effects
  • Problematic Skype application

Poorly written Audio Enhancements drivers can cause several issues like high CPU, hard disk and/or memory usage by this isolation service. As mentioned above, this process use 0% CPU, memory or hard disk in normal condition and it can raise to higher depending on audio effects are being applied. If it is much higher, then it can affect your computer performance also. So, you need to fix this problem as soon as possible. You can read & follow our instructions below to do so.

How to Fix Windows Audio Device Graph Isolation High CPU, memory or hard disk usage?

Method 1: Reinstall Audio Driver on Windows

 Sometimes, this isolation service process high CPU is caused by problematic audio driver. So, you need to update or reinstall audio driver on your PC.

Step 1: Press “Windows + X” keys together from keyboard and select “Device Manager”

Step 2: In the opened “Device Manager” window, locate and expand “Sound, video and game controllers” category

Step 3: Right-click on your sound card device name and select “Uninstall device”

Step 4: Follow on-screen instructions to finish the uninstall process

Step 5: Click on “Scan for hardware changes” button or select “Action > Scan for hardware changes”. This will automatically detect in your computer and reinstall audio driver.

Step 6: Once done, restart your computer to save the changes

Method 2: Disable All Sound Effects

Some advanced audio effects can cause high CPU usage issue. So, you can disable it to fix the issue.

Step 1: Right-click on speaker icon in Windows Taskbar and select “Playback devices”

Step 2: In the opened “Sound” windows, right-click on speakers under “Playback” tab and select “Properties”

Step 3: In the opened “Properties” window, click on “Enhancements” tab and check “Disable all sound effects” checkbox

Step 4: Finally, click on “Apply” and “Ok” to save the changes

Method 3: Reinstall Skype

Some Windows users reported that they have fixed this issue by uninstalling and then reinstalling “Skype”. So, you can apply the same steps and check if the trouble is resolved.

Step 1: Press “Windows + R” keys together from keyboard to open “Run Dialog Box”

Step 2: Type “appwiz.cpl” in opened “Run Dialog Box” and hit “Ok” button

Step 3: In the opened “Programs & features” window, find the “Skype” application in the list of programs

Step 4: Right-click on it and select “Uninstall” and follow on-screen instructions to finish the uninstall process

Step 5: Now, download the latest version of Skype from the official website

Step 6: Once downloaded, double-click on “Setup file” and follow on-screen instructions to finish the installation process.

Method 4: Scan the PC for malware or viruses

If Windows Audio Device Graph Isolation process is consuming more resources of CPU, memory or hard disk, then the chances are your computer is infected with malware or viruses. So, you should scan your device with powerful security software to remove unnecessary files, junk files, malware or viruses.

Using Windows Defender on Windows 10:

Step 1: Press “Windows + I” keys together from keyboard to open “Settings” App

Step 2: In the opened “Settings” window, go to “Update & Security > Windows Defender”

Step 3: In the Windows Defender Security Center window, navigate to the shield icon in left pane

Step 4: Locate “Advanced Scan” and click on it. Select “Full Scan”

Step 5: Wait to complete the scanning process. Once done, check if the problem is resolved.

Conclusion

After reading this article, you should known what Windows Audio Device Graph Isolation is, why is it consuming CPU, hard disk or memory, and how to fix Windows Audio Device Graph Isolation high CPU, memory or hard disk usage issue with several easy methods. If your problem has solved with the solution above, then you can share it with others and if you have any queries regarding this, please write on comment box below.