Sometimes your Windows 10 PC will slow down, possibly accompanied by a whirring fan and programs that are barely responding. Often times, the problem is an application that is consuming a large amount of CPU power and leaving little for other programs. Here̵
The best tool to diagnose a Windows program that is potentially using too many system resources is a built-in utility called Task Manager.
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Right click on the taskbar to open the Task Manager. In the menu that appears, choose Task Manager. (You can also press Ctrl + Alt + Del and select Task Manager from the list.)
When you see the simple Task Manager interface, click More Details at the bottom of the window.
In the full Task Manager window, click the Processes tab. You will see a display of all active processes and the resources they are using. Processes are any application or program that runs on your computer, including important system functions, that run in the background.
Click the header of the “CPU” column to sort the processes that are using the most CPU. The process with the largest percentage of CPU is shown at the top of the list.
At this point, if the CPU hogging process is an application, you can try closing it using the usual methods (such as choosing File> Exit from the application’s menu or right-clicking on the application click in the task bar and select “Close window”). ).
If the application doesn’t respond, you can either wait for a task to complete (knowing the application is actively working and not just hanging) or you can force it to close. To do this, select the application or process name in the process list of the Task Manager and click on “End Task”.
The process is then closed. If your computer suddenly stops responding, you know the CPU hogging application was the problem.
If the process that is using the CPU is a system process or a process that you do not recognize, you can also try restarting your PC. Immediately after this, it might be wise to run a virus scan with Windows Defender in case malware is causing the problem.
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If restarting doesn’t fix the problem, you can also try updating the application or Windows yourself. This can fix a bug in the software that is causing the process to hang. Good luck!