Solved: System Interrupts High CPU Usage on Windows 10

April Cai, in Common error Tags: high CPU

Find System interrupts process hogging CPU on your Windows like this image? 

No panic any more! Let’s solve it together here!

What is System interrupts?

System interrupts is an official part in Windows operating system. It manages the communication between your computer hardware and system. You can find it shown as a process in Task Manager. That’s used to display the CPU usage of all hardware interrupts.

Then why it hog too much CPU and any solution?

If you find System interrupts keep taking up over 20% CPU usage, it means there’s something error with your hardware or the driver. Go with the following solutions to fix it.

Solution 1 — Quick & Easy

First of all, try to reboot your Windows 10. No kidding! Restart your computer always can fix a lot wired issues. Thus be sure to try it at first as it’s easy enough to take.

Solution 2 — Update your device drivers

If your device driver misbehaves, then the error may also occur. So you can update your drivers to try to fix the issue. 

1)
Press Windows key + X key to open quick access menu.
Then click Device Manager to open it.

2)
Expand any dialog and right-click on your device to choose Update driver.
Choose Update driver and go on to click Search automatically for updated driver software.

Then Windows will start to detect the update for your device.

After update one device, check for update of your other devices as the same steps.

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If updating driver didn’t help you, go on to follow other solutions:

Solution 3. Disable USB Root Hubs

USB hardware can also cause System interrupts high CPU issue. You can disable USB Root Hubs in Device Manager to fix it.

1)
Follow the step 1 of Solution 2 to head to Device Manager.

2)
Find and expand Universal Serial Bus controllers dialog.
Then right-click on each USB Root Hub except the ones for your keyboard and mouse.
Choose Disable device.

Note: Check which USB Root Hub is for your keyboard and mouse:
  Right-click on USB Root Hub to choose Properties.
 Then you can see the Attached devices on Power pane.

3)
After disabling your USB Root Hubs, check if the CPU usage comes down.

Solution 4. Disable All Sound Effects

When you play music or video files, System interrupts CPU usage can go up as well. Disable sound enhancement to try to fix the issue.

1)
Right-click on sound icon in task bar to choose Playback devices.

2)
Double-click on your playback device.
Then choose to view on Enhancements pane to uncheck Disable all enhancements.
Click OK to save your setting.

Solution 5. Disable your network adapters

1)
Follow the step 1 of Solution 2 to head to Device Manager.

2)
Expand Network adapters dialog.
Right-click on your network adapter to choose Properties.

3)
Choose to view on Advanced pane.
Then scroll down to the Property Wake on Magic Packet and Wake on pattem match.
Set their Value to be Disabled from the drop-down menu one by one.
Click OK to save your settings.

That’s all there is to it.

Hopefully it can help you fix the error.

Any questions please feel free to leave your comment below, thanks.

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