System interrupts causing high CPU usage

Question

Issue: System interrupts causing high CPU usage

Hi there. I have started experiencing frequent computer system slowdowns and decided to check the CPU in my Task Manager and found out that the work level has risen above 60% for none reason (as much as I can remember). What can I do to solve this thing because I do not recall installing any programs lately? P.S. I have discovered the “System Interrupts” process running in the Task Manager that I did not see before.

Solved Answer

There might be various system interrupts causing high CPU usage. Sometimes, your central processing unit might struggle to handle multiple actions per one session but mostly there are other problems that have been causing your CPU work level to rise all of the sudden. “System Interrupts” as a process itself is a particular component provided by Microsoft and can signal about some type of hardware issue that might be increasing your CPU^[1] work level.

Usually, the CPU stabilizes all ongoing activities itself if it recognizes that something wrong is going on. However, if the interruptions become too intense and for the processor to handle, its energy level might start rising. As a result, you might have to deal with a slower and sluggish computer system, particular software and services can start crashing or even be impossible to launch later on.

In the end, if you do not do anything about the System Interrupts causing high CPU usage problem, you might find your processor overheating that can lead to severe system destruction and we guess that you definitely do not want that happening. Gladly, there are quite a few and simple ways to try to solve this issue. Take a look down below at the provided tips and try them out. Also, do not forget that fixing errors automatically is also an option that you always have.

We have made a little investigation on the System Interrupts causing high CPU usage issue and found out some user reports. One person has reported that the System Interrupts process has been using the CPU energy all 100% and nothing has helped when trying to solve the problem. However, the user has mentioned to be spotting some Unknown Device running in the Task Manager after installing the 1809 Windows Update.^[2] Another person has been dealing with the same problem, however, his case is not that intense – the CPU power has risen up to 40-50%.^[3]

How to fix System interrupts causing high CPU usage?

First of all, you should try rebooting your computer system as sometimes this simple activity might make significant changes and you will see that your machine is operating smoothly again. Another suggestion would be to unplug all connected external devices such as your mouse, keyboard, headphones, microphone and check the Task Manager if the CPU work level is still high.

If these simple steps did not make any difference to your CPU and its work level, do not worry as there are multiple other fixes awaiting for you. Take a look below and try out all of the methods or ones that think will bring the most benefit. An alternative solution would be to fix system corruption (files, entries, etc.) with a specific computer tool such as Reimage as this software might be helpful.

Tip 1. Look for pending Windows Updates

You should update your Windows computer system if you are looking forward to fix system interrupts causing high CPU usage as this technique might indeed help. If the machine is out-of-data, some apps might not be functioning properly and causing all types of struggles, including this one too. To install all pending updates, you should apply the following steps:

• Go to Windows search and type “Check for updates”.
• Click on the feature that offers to check the upgrades.
• Your computer will provide you with information on the update process.
• If there are some available updates, apply them and check for updates once more.

Tip 2. Turn off the Fast Startup feature

Try deactivating Fast Startup on your Windows computer as this function might be overusing your machine's resources to operate properly. If you have been running this feature on your Windows machine, you can try disabling the Fast Startup process with the help of the following instructions:

• Open Windows search and type “power”.
• Opt for the “Choose power plan” option.
• When a new window appears, select “Choose what the power button does”.
• Afterward, opt for “Change settings that are currently unavailable”.
• Uncheck the option that says “Turn of fast startup (recommended)”.
• Then, opt for “Save changes”.
• Reboot your computer system.

Tip 3. Update your drives

Some type of outdated driver might also be one of the system interrupts causing high CPU usage. If you want to learn how to achieve this task, perform the below-provided instructing lines:

• Go to Windows search and type “Device Manager”.
• Open the app once it appears as a suggestion for you.
• If you already know which driver has been causing trouble, you can update only those.
• However, if you are not sure which types of devices might be provoking this issue, you should upgrade those which are marked with an exclamation mark.
• To do this, right-click on the outdated drive and opt for Update driver.

Tip 4. Perform a hard disk checkup 

There might be some hard disk corruption that has been causing issues with your Central Processing Unit. You can scan your main disk with the help of Command Prompt. Run this type of task by completing the following steps:

• Go to Windows search and type “cmd”.
• Launch the Command Prompt service and make sure that it includes administrative privileges.
• Afterward, type chkdsk C: /f /r after the blinking cursor.
• Wait for the process to finish and reboot your machine.

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