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How to fix the issue of high memory usage on Windows 10 PC?

In this article written by Alice Yangon, you are going to learn some basic knowledge about Windows computer memory and know the reasons why your computer is with high memory usage, after that, you will find out 10 practical methods to fix the issue of Windows 10 high memory usage.

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Windows 10 PC

To ensure that your Windows 10 PC can store information temporarily or permanently, the computer memory is an indispensable physical device. The computer memory consists of the Cache, RAM (random access memory), and ROM (read-only memory).

It empowers the computer CPU to access instructions and data at a blazing fast speed. You can find the relationship between RAM and ROM in this article: What Is Computer Booting?

The memory is used so as to store the operational data of the CPU temporarily and the data exchanged with external memory (for example, a hard disk).

In other words, the CPU can transfer the data that needs to be operated into the memory for operation, and then transmit the result out when the operation is finished.

Furthermore, the program installed on the HDD is loaded into memory for running. Undoubtedly, the main memory is an important factor that determines your computer’s performance and stability.

How Shall I Check the Windows 10 High Memory Usage Problem?

In many cases, your Windows computer will freeze if it has a high memory usage issue. That situation happens often you are running a large game, suddenly, you will see a “Your computer is low on memory” error message on the desktop.

Actually, you could determine high memory usage issues in Windows 10 on Task Manager by doing a small diagnosisrightclick the taskbar, and then select Task Manager.

Windows 10

First of all, you should pay attention to the common reasons for the high CPU/RAM/memory usage problems in Windows 10, for example, insufficient HDD/SSD capacity, you are running too many programs simultaneity, the defective program design, the startup programs, registry hack, or antivirus software.

How Could I Quickly Fix Windows 10 High Memory Usage?

Fix 1. Close some programs that are unnecessary

If you find the issue is caused by many programs which are running simultaneously, you need to manually close some unnecessary programs.  Open Task Manager rightclick the application you want to end up under Processes,  when it is done, click End task (see the following image).

Windows 10 PC

Fix 2. Disable the Superfetch Service now

You may not have noticed that the Superfetch service, which is designed for traditional HDD, is booted by default. In fact, it can effectively improve the computer performance by only allowing the memory to load a fraction of the data needed to run common programs at fast speed.

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If your computer is using the hard drive disk, you are not suggested to disable Superfetch service, although it may cause high memory usage on Windows 10.

But if your computer disk is using SSD, this service should be disabled. Please follow the instruction to disable Superfetch service step by step.

First, press “Windows + R” keys, and type “services.msc” to open Services window, when that’s done, scroll down to select Superfetch, and then rightclick on it, at last, please select Stop to disable the Superfetch service.

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Fix 3. Turn off All Startup Programs

Some of your programs will run automatically when the computer starts up. If you don’t want them to run at startup, please read the tutorial to disable them.

Load up Task Manager, access the startup programs tab by typing in task manager in the Windows search menu, when you are done, rightclick one program or many programs that you don’t want to run at startup. Finally, select Disable.

Related article: How to Format/Reformat a Hard Drive on Windows

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Fix 4. Increase the Virtual Memory for Your Computer

Virtual memory can make a part of disk space work as memory, helping to relieve some memory stress. On your computer’s hard disk, the virtual memory is a big file named PageFile.sys. The guide below shows you how to set virtual memory in Windows 10.

(1). Find virtual memory, click Change.

Open File Explorer → right-click ”This PC→ select Properties, then go and select Advanced system settings in the pop-up window.

And then click Settings in Performance box (under Advanced page of System Properties).

Now head to the Advanced page in the pop-up Performance Options window,  now is the last step, you can click Change in Virtual memory box.

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(2) Cancel virtual memory on partition C now.

  • First, please uncheck Automatically manage paging file size for all drives on the Virtual Memory box.
  • Second, select partition C and then check No paging file, afterward, click Set to save it.
  • Third, click Yes in the pop-up warning window.
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(3) At last, set suitable virtual memory on the non-system partition.

Head to select a non-system partition, check Custom size.

After that, you are supposed to set the same value in Initial size and Maximum size to avoid system from frequently requesting page files of different sizes. Finally, click Set and OK to save.

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Fix 5. Set the Registry Hack

First, go to press “Windows + R” and then type “regedit” to open Registry Editor.

Second, navigate to HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Session Manager > Memory Management.

Third, find ClearPageFileAtShutDown, rightclick it to modify its value to 1,  when you are done, click OK.

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Fourth, please restart your computer to boot up the Registry Hack setting.

Fix 6. Defragment Your Hard Drives

Defragmenting hard drives is proven to be a good way to save some memory space. From the following tutorial, you will know how to use Disk Defragmenter to do defragmentation.

Open File Explorer, select Partition C, when that is done, please click Manage on the toolbar and then click Optimize, after that, please select Partition C and click Optimize.

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In addition, you are suggested to delete unnecessary files on Partition C for your Windows computers. The Space Analyzer feature of MiniTool Partition Wizard can help you do the file deletion. This feature can also be used to display hidden files, so you could delete them sometime later.

Step 1. Download MiniTool Partition Wizard program, launch it and then click Space Analyzer on the toolbar at the top of the interface.

windows 10 PC image

Step 2. Select Partition C, click Scan”, wait for a while till the scanning process is finished, then select any unnecessary files you do not need anymore, and rightclick them to delete.

This is important: You must not delete “.sys” files, otherwise your Windows computer can’t boot.

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Fix 7. Try these Methods to Solve Software Problem

You might not have noticed that the Windows 10 high memory usage results from memory leak, which is caused by defective software design. The memory leak will have an impact on the computer server where programs will run for a long time. It will make memory space smaller and smaller, and even cause downtime. That is a serious problem because Windows 10 memory leaks will consume nearly all the memory space.

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Fix 8. Virus and/or Antivirus Programs

Windows users can run trustworthy antivirus programs, or run the built-in Windows Defender if they don’t install other third-party antivirus programs. Here I will showcase how to use Windows Defender.

① Click Start button, select Settings -> Security & Update.

Click Windows Defender -> open Windows Defender Security Center, after that, select Virus & threat protection -> click Quick scan.

Some Windows users have reported that certain antivirus programs (including Windows Defender ) might cause Windows 10 high memory usage. In this situation, you are recommended to end the process of your antivirus programs in Task Manager.

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Fix 9. Adjust for Best Performance on Windows

Step 1. Open File Explorer → then rightclick This PC → choose Properties.

Step 2. Click Advanced system settingsclick Settings in the Performance box.

Step 3. Now please check Adjust for best performance”, then click Applyclick OK.

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Fix 10. Re-install Windows 10 for Your PC

Some users find that Windows 10 high memory usage issue only occurs when they stop using the PC for half an hour or 1 hour. Some other users complain that this problem happens a few days after Windows 10 upgrade. They have tried all the above 9 methods but still cannot put an end to the problem. In this case, it is necessary to re-install Windows 10 or reset the PC.

Making a complete data backup is highly recommended to anyone who needs to re-install Windows 10 or reset the PC. If the Windows re-installation and reset have caused accidental data loss, MiniTool Partition Wizard can help you recover them in a timely way.

Author bio:

Alice Yangon is a full-time content writer who has over 4 years of writing experience. She keeps sharing practical Windows tips and solutions for her readers to solve computer problems.

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  1. Pingback: How to fix the issue of high memory usage on Windows 10 PC? - 9jaheadies

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