System Idle Process High CPU Usage [Solved]

Camilla Mo, in Common error Tags: high CPU



System Idle Process is a system process. If you see it taking high CPU usage (usually 98% and 99%), don’t be panic. If your PC runs normally, just leave it. If you want, read on to find more information about it.  If your PC is slow down, you can try the methods in this post.

Why is System Idle Process taking high CPU usage?

Usually, System Idle Process high cpu usage is not a problem. The process runs in background and would measure how much idle capacity that has at any given time. The high percent of cpu indicates that a large amount of process power is not being used. If it is at 100, 99 or 98%, you may see nothing is running in background but the System Idle Process. In this case, just leave it alone.

What if your PC is slow down?

If your PC is running slowly, it could be a problem. You can try two methods below to resolve it.

Method 1: Disable some process at startup

Follow steps below:

1. Press Win+R (Windows logo key and R key) at the same time. A Run dialog box will open.

2. Type msconfig in the run box and click OK button.



3. Click Startup tab, and Select the items that you don’t need to open at startup then click on Disable all button.



4. Click OK button.

5. Open your PC for the changes to take effect.

Method 2: Identify the driver that might be causing the problem

The problem might be caused by a specific driver or a hardware failure. So you can find out what the driver or hardware is. You can use RATT to create a log file to identify the problem driver. The RATT is an event tracing tool that Microsoft produced for developers. If you are not sure how to use it, you can google the methods.

After identifying which driver is the cause, disable it. Follow steps below to disable the driver.

1. Open Device Manager.

2. Expand the category and locate the problem driver (you can locate it from the device name). Right-click on the device then select Disable. Note the device won’t function after it is disabled.



3. Click Yes to continue.


Tip: Slow PC performance could also be caused by outdated drivers. Before you move on next method, you can try updating the drivers. It would take you much time if you update all driver manually. So you can  consider using Driver Easy to help you. Driver  Easy can scan your computer and detect all problem drivers. You can use the PRO version to update all drivers with just one click. Driver Easy PRO provides free expert tech support guarantee. If you want, you can contact us to help resolve the PC performance issue.

Method 3: Run antivirus software to check for any virus or malware

The computer could slowly if it is infected by virus or malware. So run the antivirus software to do a full scan on your computer.

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