I have a hp laptop and currently that was experiencing very very slow response time. I reloaded Windows XP only to find it is still so slow it is unusable. I have swapped in a new HD, swapped ram chips with no effect. I notice the CPU usage is pegged at 100%. Nothing I do changes it. What should I check?

The Description of CPU 100% Issue on Windows 7

CPU 100% Issue is a common problem in windows system. System and Compressed Memory is s process responsible for various functions related to system and memory. This process is mostly responsible for the compression of files and folders and the management of RAM. System process issues are mainly a result of conflicting applications running on your PC. You may use an executable file from your web browser, word processor, spreadsheet program, etc. CPU as the core of computer parts, the stand or fall of it directly affects the performance of the computer. CPU Usage refers to a computer’s usage of processing resources, or the amount of work handled by a CPU. Actual CPU Usage varies depending on the amount and type of managed computing tasks. And if the computer got the virus or Trojan, the malicious programs are likely occupy CPU resources, some stubborn Trojan virus have been malicious activity, and then infect various kinds of system files. But if the file is located in Windows/system32, it’s more than likely not a virus.

Except the hardware part, some software problems can slow down the performance of your computer. Generally, virus can slow down the performance of the infected computers greatly. Cyber hackers can design different kinds of computer viruses to achieve their illegal purposes. It is hard for computer users to realize their computers are infected as some of the viruses can pretend to be programs hiding on the infected systems. Those vicious programs can waste a large part of precious CPU resources on the background. It is necessary for you to update drivers. The outdate drives can cause some unwanted problems during the use and give you a poor performance in games. New drivers can help you fix the known bugs on your machine and provide a better experience for you. In addition, if your machine has a small RAM usage. Programs can always consume your precious resource on the background. Under this case, system will distribute less CPU and RAM usages on your game which can make the performance slow.

Suggestion: If you don’t know more about the CPU 100% Issue and don’t know how to fix CPU 100% Issue on Windows 7? Contact Yoosecurity online experts for help now!

The Harm of CPU 100% Issue on Windows 7

1. Lead to the CPU temperature higher and shorten the life of the CPU.

2. Affect the normal use of other software, even can’t run.

3. Lead to computer froze completely and cannot use anymore.

How to Fix This Issue

First, you need to figure out the real cause of the high disk usage and then solve this problem. We recommend you use “msconfig” command to run in safe mode with networking and also disable all non Microsoft service processes in the service tap from task manager and then see if it solves the issue, if it does then start enabling once service at a time to find out which causes the problem to appear again.

Step1: Press the Ctrl+Alt+Delete keys at the same time, and then click Star Task Manager. One-click “Processes” tab on top, then find relevant process and click “end process”. You can trim down unneeded services by disabling or stopping the services that don’t absolutely need to be running. Additionally, if you are noticing very heavy CPU usage on a single svchost.exe instance you can restart the services running under that instance.

Windows Task Manager

Step2: Enter “msconfig” in the search box, and run it.


Step3: On “Services” and “Startup” option, disable some needless program.



If you have anti-virus program installed on your machine and get nothing wrong from the security tool, there are still some other facts can stop you having a good experience on game playing. One is the hard drive space. Some computer users would like to put all data to one drive. We don’t think it is a good idea as it can cause computer load programs slowly. Second, some outdate drives can cause your computer get poor performance on some operations. Also, there are too many reasons can slow down the PC performance. To find out which is the main problem, you need to check the condition of your computer first.

Warm prompt: Fix this problem need professional knowledge of computers. If you don’t want to waste time playing trial and error with every possible solution for it, welcome to contact our PC security team. Our professionals will locate the problem and work quickly to eradicate the Windows error for good.

Published by Tony Shepherd & last updated on February 11, 2017 1:18 pm

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