Windows 10 Running Slow? Here’s Why and How to Fix Your Slow Computer?

Do you experience irritating hold-ups while using Windows 10? Don’t worry! You are not alone. Many of the Windows 10 users have reported complaints about the slower performance of their PCs. At times Computer running slow on Windows 10 makes one frustrated. It annoys users with prolonged start-up time, as it takes more time to load your desktop. Slow execution of applications has also been experienced, and on many other occasions, users experience annoying delays.

Here’s why your Windows 10 PC may be running slow:

  • You are running your PC for a long time without rebooting.
  • Your hard drive does not have enough space.
  • You have a corrupted or fragmented hard drive.
  • Some virus has infected your PC.
  • Some of the drivers have become outdated.
  • There are a lot of background programs running.
  • Windows is not updated.
  • You have too many start-up programs, which cause very slow boot or even freezes sometimes during boot.
  • You are running too many programs.
  • Your antivirus is extremely active.
  • Your PC is on power-saving mode, in case of a laptop or any other battery-operated gadget.

There may be many more causes for Windows 10 running slow on your PC, but these inducements are the most common ones.

Quick solutions for Windows 10 running very slow

Here’s how you can fix your laggy PC running slow on Windows 10;

1.   Reboot your Computer

Before trying any other method for fixing your PC. You must reboot your PC. It is advised to boot your PC daily, users usually don’t shut down the Windows and leave the system to sleep mode. So that after a while, they can continue their work from where they left.

2.   Scan your PC for Viruses

Infected hard drives can be the main reason for  Windows 10 running slow. Run your antivirus scan to detect if there is any virus-infected disk. You can also use Command Prompt to remove the viruses.

  • Open Run window by pressing the key combination “Windows + R”
  • Type “cmd.exe” in the textbox.
  • Press “Enter”
  • Now type “attrib f:*.* /d /s -h -r -s
    • Note: You need to change the alphabet “f” with the letter that denotes your hard drive.
  • Press Enter

3.   Close Background Programs

The most common reason for Windows 10 running slow on your PC are the utilities or supporting programs that run in the background.

You must forcefully stop these close these programs.

  • Open Task Manager by pressing the key combination “Alt +Ctrl+Delete” OR Press “Windows + X”, now choose “Task Manager” from the menu.
  • Identify unnecessary programs.
  • Select them and click on the button labeled “End Task”

4.   Update Windows

If your Windows is not updated, then it can also cause your PC running slow on Windows 10. Windows automatically checks for system updates and install them, you just need to restart your computer whenever the installation of the update finishes. You will be prompted every time you need to restart your computer.

To manually check for updates in Windows 10, these steps can be followed;

  • Open the “Settings” window from the start menu.

  • Click on the “Update and security” option.

  • Select the “Windows Update” tab from the sidebar on the left side of the Settings window.
  • If your Windows is updated, then you will see a message saying, your Windows is updated;
  • Otherwise, you need to click on the button labeled “Check for Updates”, clicking on this button will start installing the updates.

Advanced solutions for Windows 10 running very slow

In this section, some advanced methods are explained to improve the speed of your PC running slow on Windows 10;

1.   Removing Temp files

  • Windows keep the Temporary and junk files that need to be deleted on each boot. There are different methods to do this, you can delete these files manually by creating the Batch file or by using Disk Clean Up utility, or by using any third party software like CCleaner.
  • Here we have explained the method of creating a Batch file;
  • Open Notepad
  • Type the following commands
    • rd %temp% /s /q
    • md %temp%
  • Save the file. Type this “%appdata%\microsoft\windows\start menu\programs\startup\cleantemp.bat” in the textbox for Filename.
  • Keep the file type “.txt”
  • Open the Startup folder.
  • Now click on the button labeled “Save”

  • After saving this, whenever you reboot your PC. The Temp and junk files will be deleted from your hard disk. You can also check the TEMP folder after restarting your PC, you will find fewer files.

2.   Changing the Size of Pagefile

  • Pagefile is the part of the hard disk of your PC, but it acts like an extended RAM. If at anytime your RAM gets full, then the applications start using the Pagefile. The size of Pagefile must be configured in order to optimize your system performance.
  • Follow this step by step procedure to configure your Pagefile;
  • Open “Performance Options” window by typing “Performance” in the search bar, and then clicking on “Adjust the appearance and performance of Windows”
  • On the “Performance Option” window; Choose the “Advanced” tab.

  • Now click on the button labeled “Change”
  • On clicking, the “Virtual Memory” window will pop up.

  • Check the Checkbox which says “Automatically manage paging file size for all drives”
  • Now, look at the list of drives on the same Window. Select the drive in which you have your Windows installed because we have to manage the Pagefile of that drive.
  • Choose the option “Custom Size” on the same window.
  • You will find the Pagefile ranges on the bottom of the window; for minimum, recommended and currently allocated Pagefiles.
  • Fill in the Custom Size text box with the recommended range.

  • Click the “OK” button.
  • Note: If you run a large number of programs at a time, then you must upgrade your RAM instead of configuring Pagefile. In this case, Pagefile configuration will not help more.

3.   Reducing Startup Programs

It is possible that your Windows 10 running very slow and does not only take more time to boot but also make you wait to start your work because at that time the Windows is busy in initializing the Startup programs. You can reduce the startup programs using Task Manager.

  • Open the Task Manager by pressing the key combination “Alt + Ctrl + Delete” OR by pressing the key combination “Windows + X”, then selecting “Task Manager” from the menu.

  • Expand the window by clicking on “more details”

  • On the expanded window choose the “Startup” tab.
  • In the Startup tab, a list of programs will appear that initializes while your PC starts. You can choose any program, you want to reduce from the list, and then click on the “Disable” button.
  • You can also right-click on any of the programs from the list and then choose the “Disable” option.
  • Note: You can only disable one program at a time.

4.   Update Drivers

Your PC running slow on Windows 10 maybe because of outdated drivers. This problem usually occurs with Graphics Card Drivers. In this case, you must download and update the outdated drivers for smooth and fast execution of Windows 10 on your PC. Drivers can be updated manually as well as by using any third-party tool.

5.   Defragmenting Hard Drive

To save the hard disk space, files, when created, are saved into fragments (small pieces). When these files are meant to read, the read/write head moves to and fro to find the fragments of the file. This process slows down the speed of your computer. So, we can say that a fragmented file takes longer to be read as compared to a contiguous file. For this reason, it is important to defragment your hard disk after regular intervals.

  • Open “Control Panel”
    • Type “Optimize” in the search bar of Control Panel
    • Under the section of “Administrative Tools” click on the link with the text “defragment and optimize your drives”

  • In the Status group, Select the drive that you need to defrag. Before defragmenting the selected drive, click on the “Analyze” button to get to know if this drive needs optimization or not.

  • Click on the button labeled “Optimize” if you want to defragment the selected drive.
  • This is an administrative tool and you need to log in with an administrator account or enter the PIN code or Password while clicking on any of the UAC monitored buttons.
  • Note: If you are using Solid State Drive (SSD), then this method will not be helpful for you, also SSD must not be defragmented because their defragmentation doesn’t improve the speed but lessen the life of the drive.

6.   Handling Corrupted Windows File System

Windows system files includes configuration files, drivers, DLL files, registry files etc.. When any of these get corrupted, they then causes Windows operation to slow down. You can easily identify this case. If you experience blue-screens or application crashes frequently, these are the clear symptoms of corrupted system files. There are two system tools that help to recover the corrupted Windows System Files.

SFC (System File Checker) Command

It is a built-in Window tool. Running this command on Command Line will scan your Windows System Files and identifies any corrupted, missing or changed files. If it finds any corrupted or changed file then it replaces that file. For running this command you need to open Command Prompt with administrative rights.

  • Press the key combination “Windows + X”
  • Click on “Command Prompt (admin)
  • On the Command Prompt type “sfc /scannow” ,now press the Enter key. It will take a few minutes to complete the scan
  • After the scan, if there are no corrupted files then you will see the message, “Windows resource protection did not find any integrity violations”
  • If SFC finds any corrupted files and fails to replace them then you will see a different message that can be seen in this screenshot

For solving this, you can try executing SFC command in Safe Mode. If the problem still persist then, DISM must be used to fix the corrupted files.

DISM (Deployment Image Service and Management Tool)

DISM is an administrative tool, which is executed using Command Line. We don’t usually run DISM command, but if SFC fails to complete the scan or recover the corrupted files, only then we will run DISM command on Command Prompt.

  • Open Command Prompt with administrator rights
  • Type “DISM /Online /Cleanup-Image /RestoreHealth” and press the Enter key.

Let it complete, It will take five to eight minutes to finish.

Note: Normally, progress stays a bt longer at 20%.

  • On completion, if the results show any changes done by DISM, then you must restart the computer and run SFC command again..

This is so clear that actually SFC is used to handle corrupt system files. DISM is used to repair your Windows image or modify installation media.

7.   Changing Scheduled Antivirus Scans

If you experience your Windows 10 being slow randomly but not always, then it may be possible that Windows is being lethargic because of background system scans, initiated by your Antivirus. To solve this you can simply change the frequency of scans in your antivirus application, or you can also schedule the scan on any day or time when you will not be disturbed by that.

8.   Changing your Battery Power Plan

It may be possible that your PC is on “Power Saver” mode. To optimize the performance you need to change the power plan;

  • Open Control Panel and click on “Power Options”
  • On the power window Click on “Change plan settings” link
  • Now click on “change advanced power settings” link on the Edit Plan Settings window.
  • On clicking a pop up window of Battery Options will appear, here click on the first drop down menu and choose “High Performance [Active]”. Click OK.

Using a PC that runs slow is irritating, we have tried to cover all the possible solutions to optimize your PC (running on Windows 10)  performance. Hopefully, you will find these useful.

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