Why Windows 10 Very Slow And Unresponsive?

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Do you wonder why Windows 10 is so slow though it is expected to be very fast? If so, you are not alone at all. There are plenty of other Windows users who experience the same issue, just like you.

In this article, we will explain why Windows 10 is very slow and unresponsive and practical solutions to it.

So far, Windows has offered several updates, and with each of those updates, it introduced various new features. As a result of these updates, Windows has become an exceptionally user-friendly operating system.

With Windows 10 update, we expected a powerful, smooth operating system because most of us didn’t like Windows 8. The truth is that Windows 10 actually show significant success, but it is not 100% perfect as expected.

The issues pertaining to Windows 10 vary from intense data collection procedures to highly impactful updates. These issues are criticized by many users, including professional reviewers as well as everyday users. It is true that Windows 10 comes with an impressively sleek layout and various additional features.

However, despite all those novelties, many individuals wonder why Windows 10 is so slow. Although Windows 10 is supposed to boot pretty fast, many PCs can take considerable time to start.

In addition to that, you can experience applications that run in a slow manner. However, you don’t want to agonize about yourself because you are not alone in this case.

We have composed this article to explain to you the reasons behind a slow Windows 10 computer.

In addition to that, we explain practical solutions to address such issues. So, you may keep reading if you are annoyed with a slow-performing Windows computer.

Reasons Why is Windows 10 So Slow?

There can be several reasons for the Windows 10 operating system to run very slowly. In this section of our article, let’s examine those reasons.

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01. There Are Too Many Startup Programs, So the Windows 10 Slow

Do you notice that your PC takes too long to get started or is frozen during boot? If so, that can happen mainly because of too many startup programs.

To fix this issue, you should disable those extra applications that impact the startup.

First, simultaneously hit the ‘Windows’ and ‘X’ keys. This will open up the Quick Link menu. You should click on ‘Task Manager’ from this menu.

Task Manager

Once the task manager is opened, you will be able to see several tabs on it. Click on the tab labeled ‘Startup.’

There are too many startup programs so the Windows 10 slow

Now, you can look through the list of programs that are placed under startup. Then, you will be able to find the programs that you don’t need anymore on the startup menu.

To your surprise, you will find many programs on this list if you check it after a long time. After finding the programs you don’t need anymore, you should right-click them.

Then, you will see a popup menu in which the option ‘Disable’ is placed. You should repeat these steps for all the programs that might affect your computer’s performance.

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02. Because of Corrupted Windows System Files

You can see that Windows 10 is slow if you have driver errors, blue screen, black screen, etc. Such issues can create severe impacts on the performance of your PC. Mentioned below are the steps you should take to fix such a situation.

Here’s the fix if Windows 10 is slow and unresponsive due to driver errors or erroneous system files. To do this, you can first try the built-in tools offered by the Windows operating system itself.

The first tool is the Deployment Image Service and Management Tool, also known as DISM. The second option is the System File Checker (known as SFC). Mentioned below are the steps to follow when using these tools.

Using DISM

  • First, you should type the text ‘PowerShell‘ in the Windows search bar. Then, press the enter key on the keyboard. Once prompted, you should right-click on the desktop app and select Run as Administrator.
Run PowerShell as Administrator
Windows PowerShell
  • Now, you should see the command-line interface. In this, enter the text dism.exe /Online /Cleanup-image /Restorehealth. You can do this in the window which is already appeared. Now, hit the ‘Enter’ key on the keyboard. As a result, you will see that the DISM tool is starting to find corrupted files. Also, it will replace those corrupted files.
Run DISM to fix windows 10 very slow and unresponsive

Using SFC

  • First, you should open ‘PowerShell‘ from the Windows search bar just like you did in the previous step. Also, make sure that you run it as an administrator.
  • Now, type the text ‘sfc/scannow‘ in the search bar and hit the ‘Enter’ key on the keyboard.
Run SFC to fix windows 10 very slow and unresponsive

This process will start replacing the corrupted files, and eventually, it will repair the PC. When the process is completed, you will have to restart the PC.

If your Windows 10 is very slow and unresponsive due to corrupted files, this should fix it. As a result, the respective PC should run in a very smooth manner and with better performance.

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03. You Have Opened Too Many Programs at Once

In fact, this can be a no-brainer for many users. As a result of running many programs at once, your computer will not be able to handle the work.

For instance, if you have a very powerful computer with a high-end configuration, you will not notice much disturbance. But, if you have a computer with average performance, you may notice a significant loss in performance.

In a nutshell, getting rid of the running programs will help computers to run faster. So, to make sure, you should check the task manager.

As a result, your computer will perform very slow browsing speed, and applications will take too long to be loaded. Also, the application screen may frequently freeze if your computer suffers from this issue.

Fixing this issue simply by closing down the applications that aren’t required any longer.

To do that, you can use the task manager.

  • First, you should type in the text ‘task manager’ on the Windows Search bar. Then, you should get it opened.
task manager
  • In the second step, you should see that there is a list of programs that run currently. Also, this window shows the amount of memory consumed by the respective programs that are running. As a result, you can easily identify the most impactful programs on the computer. You can even sort the programs out by using memory by clicking on the memory column.
  • Now, right-click on the respective program and choose ‘End Task.’
End Task to fix windows 10 very slow and unresponsive
  • Apart from that, you should close all the extra tabs on the browser and quit background applications. This process will enable you to free up the RAM and allow your PC to perform smoothly. Also it will reduce CPU bandwidth as well.

04. Hyperactive Antivirus Program So the Windows 10 Slow

Many who wonder why windows 10 is so slow may have hyperactive antivirus programs.

Although it is a good approach to have an antivirus program, it can be troublesome at some times. When your antivirus program is extremely active, it will create an impact on your PC’s performance.

To fix it, you will have to change the settings of your antivirus program. The process can slightly differ depending on the type of antivirus program used.

Anyway, below is a general guide to changing the settings of the antivirus program.

  • Launch your antivirus program (either through the taskbar or the start menu of your PC).
Launch your antivirus program
  • Then, go to the ‘Settings’ option and click on ‘Scan Schedule.’ After that, you should choose a scan process that doesn’t impact your PC.
Config Schedule
  • You can change the time as well as the data of the scan and reschedule it. Also, you can change the frequency of scanning.
Edit Shecduled Scan

05. If Your Hard Drive is Running out of Space

Do you notice that your PC is running incredibly slow (probably at half of its normal speed)? If so, you must check your computer’s hard drive and see if it has enough space.

If your hard drive is almost full (more than 95% of its capacity), your computer will surely become slower.

When there is not enough space for temporary files, you will see a significant performance drop. To fix this issue, you will have to clean up your hard disk without waiting.

In most cases, you can free up a considerable amount of space by deleting unnecessary files.

Mentioned below are the steps to do so.

  • As the first step, open Windows Explorer.
  • Then, you should browse for folders that might be filled with various types of data. In this case, folders like ‘Temporary Files,’ ‘Apps & Games,’ etc.
Windows Explorer
Browse Other Folder
  • Open up those folders and then delete the subfolders and files that have larger files.
delete the subfolders and files

06. Your PC’s Power Plan Cause Windows 10 to Slow

Do you experience an impressive battery life from your laptop, but it doesn’t work as expected? If so, it can be related to the battery plan of your laptop, and it can be fixable.

To fix it, you should simply change the settings of the battery plan. If the battery plan is set to ‘Battery Saver’ or ‘Recommended,’ you may have to change it. Here’s how to do it.

  • In your Windows 10 search bar, type the text Power Options. Then, go to ‘Edit Power Plan’ in the Control Panel.
Edit Power Plan
  • Click on the option called ‘Change Advanced Power Settings.’
Change Power settings to fix windows 10 very slow and unresponsive
  • Choose the option called ‘High Performance’ and hit OK.
High Performance
  • Now, this option will boost PC performance. However, you will experience a notably low battery life as a result.

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Other Solutions to Try if Windows 10 is Very Slow and Unresponsive

Here are some other solutions to try.

Use Windows Troubleshooter

  • Go to ‘Control Panel,’ ‘System and Security’ and select the ‘Security and Maintenance’ option.
Use Windows Troubleshooter if Windows 10 very slow and unresponsive
System and Security'
Security and Maintenance
  • Click on ‘Start Maintenance’ located under ‘Maintenance.’
Start Maintenance

Use Performance Monitor

  • Go to Windows Search Box and type ‘perfmon/report.’
Use Performance Monitor if Windows 10 very slow and unresponsive
  • Hit ‘Enter.’
Resource and Performance Monitor

This will give you a complete report mentioning the issues that affect your PC’s performance.

Performance Report


1. How can I check if my Windows 10 system is infected with malware? To check for malware infections, use a reliable antivirus software and perform a full system scan. It will detect and remove any potential threats.

2. Can upgrading my RAM improve the performance of Windows 10? Yes, upgrading your RAM can provide a noticeable improvement in system performance, especially when dealing with memory-intensive tasks and multitasking.

3. How often should I run disk defragmentation on my Windows 10 system? It is recommended to run disk defragmentation once every few months or when you notice a significant decrease in system performance.

4. What should I do if my Windows 10 system continues to be slow after trying these solutions? If the issue persists, you can consider performing a clean installation of Windows 10 or seeking professional assistance to diagnose and resolve any underlying hardware or software problems.

5. Why is it important to keep my Windows 10 system up to date? Keeping your Windows 10 system up to date ensures that you have the latest security patches, bug fixes, and performance enhancements, resulting in a more stable and responsive system.


A slow and unresponsive Windows 10 system can be frustrating, but there are several reasons behind this issue and effective solutions to resolve it. By addressing factors such as insufficient system resources, malware infections, outdated hardware drivers, and fragmented hard drives, you can significantly improve the performance of your Windows 10 system.

Additionally, optimizing power settings, managing background processes, and staying up to date with Windows updates will contribute to a smoother and more responsive computing experience.


Ten years of experience in information and computer technology. Passionate about electronic devices, smartphones, computers, and modern technology.

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