2023-04-19 18:30:00
When you open a folder or run an explanation on your PC, these consume some CPU resources. And if your CPU isn’t performing as well, you may be significantly slowing down your system. Worse: you may even experience the BSOD (Blue Screen Of Death)! So how do you avoid this inconvenience?
We have the solution: limit CPU usage. Like this, you will have a much smoother PC without system crashes. Discover in this article how to limit the use of the processor on an application
Method 1: Change the priority of a Windows process
When you run an application, it becomes what is called a “process”. In order to limit the CPU usage of this application, you need to change its priority using Task Manager. We recommend that you assign a lower priority to an application that consumes a lot of CPU resources compared to others.
Here’s how:
Right-click with your mouse on your PC’s taskbar, then select “Task Manager”.
Once in the application, go to the tab Details. There you will see the detailed list of all the processes and their respective statistics. To make it easier for you, Windows sorts them in alphabetical order automatically.
Find the process you want to modify in the list, right-click on it and hover the cursor over Set priority.
In the priority setting submenu, select Below normal or Basse.
And There you go ! To limit the CPU usage of more than one application, you just need to repeat the operation below. Warning: you cannot change the priority of Windows system processes. This video will help guide you when handling.
Method 2: Set CPU affinity
Currently, almost all recent processors are equipped with several cores. This is so that you can run multiple processes in the background. Using Windows, each processor core is automatically assigned to a process. This association of cores to an application is called processor affinity, and you can change it. Therefore, if an application consumes too many resources on your processor, you can limit its access to a reduced number of cores.
To do this, follow the steps below:
Right-click on the taskbar and select Task Manager. You can also press the keyboard shortcut Ctrl + Maj + Echap to open the app.
Go to the tab Details and find the process to restrict from the detailed list.
Once you find it, right click on it and select Set affinity.
A new window will then appear on your screen. Go to it and manually select the cores the process will have access to later. To do this, check the box corresponding to the heart and click on OK.
As with changing priority, you cannot change CPU affinity for Windows processes. The method to modify this affinity is the same as in this video.
Method 3: Limit CPU usage in Windows Power Options
If you have a laptop, you should revise the power options to limit the maximum CPU usage. Windows sets this usage to 100% by default, but you can reduce it to your liking. This can reduce heat and stress on your processor.
Here’s how:
In the Start menu, type Control Panel. Click on it when the app appears in the search results.
Click on System and security
In the right menu pane, click Power options.
Choose power plan Haute performancethen click Change mode settings nearby.
Click on Change advanced power settings to open a new customization window.
In this new window, scroll down and expand the option CPU power management.
Now double click on the option Maximum processor state.
Change the maximum CPU state on battery and AC power by clicking on the percentage. Then type in the ideal percentage. We recommend that you set it between 80% and 85%, to optimize the processor.
In addition, remember to check the temperature of your processor so that Windows works properly. Its very important ! Find out here how to access the advanced diet modification.
Method 4: Use a CPU throttling app
This is the best way to limit the CPU usage of an application on Windows. Among those offered on the internet, one of the most reliable is Process Tamer. Moreover, it is very light and easy to download. It is not likely to consume additional resources once installed on your operating system!
Process Tamer is also available in a 64-bit portable version, usable without problems under Windows 10 and 11.
Here’s how to use the app:
Start by downloading Process Tamer from the uptodown website. Once the download is complete, install the application on your PC.
At the end of the installation, launch Process Tamer by double-clicking on its icon. Don’t worry if no window appears on your screen: the application runs in the background.
To display the application window, click Show hidden icons in the taskbar, then on that of Process Tamer.
Now it’s time to add an app and set the rules. To do this, click on the tab Configuration. Then, right-click on the empty box at the bottom of the window and select Add rule.
Find the app you want to limit and double-click it to open it.
Once the app shows up in the Process Tamer window, pull down the menu under Explicit rule. You will use it to choose the action to apply to said application, in order to limit its use of the processor. In case it uses too much CPU resources, select Force Low or Force Below Normal.
All you have to do is click on the button OK at the bottom of the window to confirm the operation.
And now, voila !
You can of course redo the above operation if you want to limit CPU usage across multiple applications. However, you must select them one by one. In order to help you, here is a video that shows the main features of Process Tamer.
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