It is absolutely normal if you are experiencing high disk usage issue on your computer because of the Windows Audio Device Graph Isolation. But how to solve the issue? Well, I have given some quick steps in this guide that you can perform. Along with that, let’s get to know what does graph isolation do to your computer.

What Is Windows Audio Device Graph Isolation?
The Windows Audio Device Graph Isolation is a properly working part of your Windows computer. This service provides the third-party apps installed in your system with smooth running performance. Also, it works as the audio engine of your Windows operating system. Some people also call it a digital signal processing.
Fix 100% Disk Usage Issue
When you open the task manager and you see that the audio graph isolation is consuming 100% of your CPU. This makes your PC slow down and sometimes it even freezes while working. But there is nothing to worry about when this type of issue occurs. As I am already here, I will tell you some easy solutions. So, just stick around.
However, it is not a good idea to disable
Solution One- Make Sure Your PC Is Free from Malware
If you are facing high CPU usage because of Audio Device Graph Isolation then your computer can be affected with malware. So, I would suggest you to start troubleshooting the issue by conducting a full malware scan on your PC. You can use good antivirus software available on the market.

Solution Two- Use Windows Defender
If you are using Windows 7, just follow the steps below.
- You have to press Windows logo+ S button first
- Then type “Defender” in the search box
- A list of result will pop up and you will have to select Windows Defender from that list
- Click Scan from the Windows Defender home window
- Click on the arrow next to the scan option and then you have to select full scan
Solution Three- Disable All Running Sound Effects
You can change your sound settings to resolve this issue, so for that follow-up-
- Do a right-click on the speaker icon present on your taskbar
- From there, you will have to select playback devices.
- And then navigate to the playback tab
- And from that tab, select speakers/ headphones
- Next, you have to click on Properties
- You have to go to the Enhancement tab and select Disable all sound effects
- Press OK
These methods will hopefully solve the Windows Audio Device Graph Isolation high CPU usage problem in your computer. But if these do not help, try to update or reinstall your audio driver. Also, feel free to comment below if you have any other suggestion.