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Fix an Issue When CPU at 100% All the Time on Windows 10

Wondershare Recoverit Authors

Jan 27, 2024 • Filed to: Windows Computer Solutions • Proven solutions

The Central Processing Unit (CPU) is often referred to as the brain of the computer in order to assert its importance in the functionality of a computer. All the data and commands are heavily dependent on it. The performance of your computer is directly related to the performance of the CPU. The performance capacity of a CPU is a core contributor to the speed at which the computer runs.

Oftentimes, it is seen that your computer slows down and is unable to perform heavy tasks. This happens when your CPU is facing too many tasks and processes and is overwhelmed by the enormity of them. This can cause quite some frustration among users. So, let's take a detailed look at what goes wrong and how you can fix this issue using the simple methods prescribed below.

Part 1: What Causes 100% CPU Usage?

If your computer is displaying a prompt that the CPU is at 100% usage, what it basically means is that your CPU is working at its maximum capacity. At this point, your computer is trying to perform more work than its limit, which can ultimately cause a decrease in speed.
Following are a few reasons which can cause CPU usage to reach 100%.

Part 2: How to Fix CPU at 100% All the Time

Once you have identified what the cause of the problem might be, it is now time to move on to the solutions. Below are a few methods by which you can fix the CPU at 100% usage easily. Work your way through them and find the one that works best for you.

Method 1: End Large Tasks

One quick way to get rid of this issue is to end the processes that take up high CPU usage simply. You can do so using the Windows Task Manager by following the steps given below.

tap on  cpu option

end  high usage task

Method 2: Disable Background Running Programs

Sometimes, an application or program can run in the background without being noticed. This can cause your CPU usage to be high. Thus, it is important to disable all such background running programs and applications in order to reduce CPU usage. Here is how you can do that by following these steps.

tap on  startup tab

access  system configuration app

disable  all services and save changes

Method 3: Scan for Virus Using Windows Defender

Windows Defender is an in-built security program for protection against viruses and malware alongside other functions. You can perform a scan to check your computer for viruses. Follow the method provided below to do that.

open  windows settings

tap on  windows security

access  virus and threat protection feature

start  the scan

Method 4: Change your Power Plan

As it happens, some power settings related to the CPU can affect the system readings. In such cases, you can check advanced power settings change your power plan. Follow as mentioned below to do so.

open  battery power options

tap on  change power plan settings

select  change advanced power settings

set the  on battery and plugged in to 5 and save

Part 3: Ways to Avoid Full CPU Usage

It is said that prevention is better than cure. Just like every other issue, the 100% CPU usage issue that arises on Windows 10 can, although it proves to be a nuisance, it can be actively avoided. A few tips and techniques are mentioned below to help you prevent the problem from arising in the first place. Do take them into daily practice and see the results for yourself.

Wrapping Up

The Central Processing Unit is the most important part of your computer. But just like any other machine, it is prone to issues and problems. We all have experienced slow PCs, and we all know how annoying they can be. Nothing is more frustrating than being stuck on the same page for hours. Slow computers are irritating, and they should be fixed ASAP.
With the aid of the above article, you now hopefully know where to look when you are experiencing a slow PC, and the CPU usage is at 100%. Try the above-mentioned methods to fix your problem, and also implement these easy tips to avoid the issue beforehand.

Frequently Asked Questions (FAQs)

The System Idle Process is a measure of how much free processor time the PC currently has and uses the resources that aren't being used. High CPU usage is not System Idle Process's fault. If you see System Idle Process at 99%, it means that the computer is running tasks at 1% of its capacity.

CPU usage for gaming depends on the type of game you are playing and your computer. Heavy games can often cause the CPU to run at 100. Light strategic games can take anywhere between 40-80 on a modern midrange CPU.

Your computer can run at 100% CPU usage as long as the temperature remains under control. Overheating as a result of full usage can be damaging to your computer, but it can still run for a good 3-4 hours.

Recoverit author

Theo Lucia

chief Editor

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