How To Fix Idle Process High CPU

Restart your system and open the task manager to find the Idle process running 100% CPU usage? Thinking about what to do about it? Checked for background apps or programs, couldn’t find anything there? Want to know what is using your CPU resources? Don’t worry! This post will learn what has caused the system Idle to process high CPU usage in your system and how to get rid of it to keep your computer healthy.

First, let us know what it is.

What is the System Idle Process?

System Idle Process CPU high usage is defined as the CPU resources that are not being used. In other words, it is a process where the CPU is not in demand with any running program, but still, it shows as a high percentage in Task Manager. It should only show 100% CPU usage when your computer runs programs that require a high percentage of CPU processes like playing games. When this fails to occur, the system Idle process CPU high usage shows up in Task Manager.

How to Check CPU usage?

When you are running other programs and applications on your system, the computer is very slow. You open the Task Manager to check which is taking up so much of the CPU usage if it indicates that even when other programs have been running, the IDLE process shows the maximum percentage for CPU usage.

This is your cue to understand that the system has to be fixed from the system idle process. As you can see, the CPU demands a function to provide the space needed by the computer. But if it carries on with the Idle process, it is wrongly shown because a computer isn’t idle.

How to Fix Idle Process High CPU?

By updating device drivers, the CPU chipset is also set to function correctly. The System Idle Process CPU high usage’s primary reason behind the System Idle Process is the poor communication between the software and hardware. This can be curbed by updating the drivers regularly for your system’s health. We have a solution for you in the name of Advanced Driver Updater. It is a third-party tool and a complete package for all the driver-related queries. You can download it on your Windows PC; it’s available for almost all versions – Windows 10/ 8.1/ 8/ 7/ Vista and XP (32 and 64 bit).

With Advanced Driver Updater usage, you don’t have to worry about finding a solution as it will do the work instead. After downloading, it does a thorough check of the computer and shows the status of all the device drivers installed.

When you see an Outdated Status, you need to click on Update All, which is profitable as it updates all device drivers. The outdated drivers take much of the space and thus make the computer slow. It is also the cause of the System Idle Process CPU high usage as the communication is not well received by the system.

Follow the steps to get most of the Advanced Driver Updater.

Step 1: Download Advanced Driver Updater from the link below:

Step 2: Install and run it successfully.

Step 3: The Scan shows the status as ‘Outdated’ for the system’s present device drivers.


Advanced Driver Updater


Click on Update All.

Step 4: The scan takes place for a few moments, and the result will show as Drivers updated.


Advanced Driver Updater


Step 5: Once the scan is complete, restart the computer.

Step 6: Go to Backup and create a backup file for all the device drivers. The backup will help in the future if any of the device drivers fail to work or are incompatible with your device.

Recheck the Task Manager, and you will see the changes. The System Idle Process does not show the high percentage of the CPU used while being idle.

tipsAdditional Tip

One way to fix the high CPU usage or to fix the slow running computer is to use Advanced System Optimizer. It is an efficient tool to fix system errors, clean the junk, optimize memory, and improve the overall performance of your computer. Advanced System Optimizer is the all in one solution for your Windows PC. It comes with such advanced modules to keep the system working at its best. It can easily scan and remove the malware and also detect the invalid registry and fix it. Along with the security from viruses, it provides you with the irreversible delete for files. It is available for Windows 10, 8.1, 8, 7, Vista, and XP. Get it now from the download button given below-

Frequently Asked Questions-

Q1. What Should the System Idle Process Run At?

System Idle Process would be running at 40-70% when the computer is not used for any other processes. A multi-core CPU can also have a high system idle process percentage when the processor is idle. 

Q2. What Is Idle In CPU?

System Idle Process 99 is alarming, and it should be checked for troubleshooting the problem. Check if any of the programs are not able to function or any software is corrupted.

Q3. Can I End the System Idle Process?

You can not end the System Idle Process, but you can look further into the root cause for the System Idle Process High CPU Windows 10. 

Q4. What Is Normal CPU Usage?

Generally, the CPU does not consume a high percentage, and if you see this in the Task Manager, it could be a problem. You must check for the processes taking up more CPU percentage. The normal CPU usage is 40-60%, but if running multiple tasks, it can go upto 70-80%.


This is how you resolve the issue of system idle process high CPU for Windows 10. Device drivers mainly cause it, and thus Advanced Driver Updater- complete solution for driver care works the best. Read more on 100% CPU usage errors for Windows.

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