How to Fix Slow Computer Problem in Windows 10 PC

Are you tired of your Windows 10 Computer working slow? Do you feel irritated when it acts like a tortoise when all you wanted was it to work like a rabbit? Do not worry. This article will help you tackle the biggest pain of all time: A Slow Computer. However, before we jump out to the tricks you can use to speed up and optimize your Slow Windows 10 Computer, you need to know what causes this problem. Users across the globe have cited many reasons behind the same. Some of them are:

  • Multiple applications running in the background.
  • Too many Applications start running during startup of Computer.
  • Temporary Files taking up too much space.
  • Your computer has a Virus in it.
  • You do not reboot your computer on a regular basis.

Here are some methods to Fix Slow Windows 10 PC:

Look out for bonus tips at the end of the article

#1 – Troubleshooting with the help of System Maintenance

Troubleshooting is an inbuilt feature in Windows 10 that helps Windows 10 users tackle their PC related problems. If you are facing a Slow PC, you can use this feature to fix the problem. Please follow these steps thoroughly:

Step 1: Open Control Panel by going to Search and typing “Control Panel”.

Control Panel Search

Step 2: In the Control Panel, change View By to Large Icons.

View By Large Icons Control Panel

Step 3: Click on Troubleshooting.

Control Panel Troubleshooting

Step 4: Under the System and Security options, click on Run Maintenance Task.

Run Maintenance Task

Step 5: The System Maintenance box will open up. Click on Next and it will start detecting issues.
If it does not detect any issue, it will ask for your permission for Troubleshooting as an Administrator. Click on the option to grant it permission and continue.

Run Maintenance

Follow the instructions as they come up on the troubleshooter if any issue is there to fix.

After performing this solution, reboot the PC and see if your slow Windows 10 Computer was fixed. If not, try the next method.

#2 – Clean Boot PC to Fix Slow Computer (Windows 10)

A Clean Boot is just a way of starting up your computer with a minimum of programs. It lets you make sure if the program(s) and driver(s) starting up with your PC are causing it to startup slow. It does not delete your personal files such as documents and pictures. It just helps to identify if your computer is running slow due to the normal boot procedure.

Go here to see the steps to Clean Boot a PC. Check if the slow Windows Computer is working fine now. If not, go to the next method.

#3 – Scan and Fix Corrupted Files with System File Checker

Often system files get corrupted due to incompatibility, virus and malware attacks, wrong updates and downloads and cause a slow PC. You can perform these steps to run a System File Checker:

Step 1: Open the Run box by pressing Windows + R key together.

Run Cmd

Step 2: Type cmd in the Run box and press Ok to open Command Prompt.

Step 3: After command prompt opens, type sfc/scannow and press Enter to execute the command.

Sfc Scan

Step 4: When the command prompt is done checking the files, restart the PC and check if the problem persists.

Note: The scan may take several minutes to complete, so wait until the scan is over and do not disturb it.

#4 – Delete Temporary and Unnecessary Files

Temporary files are those files that your PC stores over time. If they accumulate, they can slow down your PC and take up unnecessary space. It is recommended for you to keep cleaning the temp files from time to time.

How to Delete Temporary Cache Files in Windows 10: Check here for a step-wise tutorial to clear up the temporary files on your PC. This will also help you clear unnecessary files from your Recycle Bin.

After cleaning the temp files, check if the slow computer problem persists. If it is still there, check the next method.

#5 – Increase Virtual Memory Size on PC

When your PC’s RAM cannot handle the tasks going on in the system, it can also cause your system to slow down. This can be fixed with the help of Virtual Memory.

There is a Virtual Memory, also known as Page File in Windows. It uses some of the memory space on your computer’s hard disk to process some of the data that RAM is supposed to process, but is unable to. Follow these steps to increase Windows Page File or Virtual Memory on your PC:

Step 1: Open the Run box on your PC by pressing Windows + R keys. Type sysdm.cpl in the Run box and press Enter. This will open the System Properties window.

Sysdm Cpl

Step 2: Open the Advanced tab in the System Properties window. There, go to the Performance section and click on the Settings button.

Sys Properties Adv

Step 3: A new Performance Options window will open. Here, navigate to the Advanced tab. In the Virtual Memory area, click on the Change button.

Virtual Memory Change

Step 4: Again, a new window will open up. Here, deselect the Automatically manage paging file size for all drivers option, then select the Custom size option. In the Initial size and the Maximum size fields, you will have to enter custom values to increase virtual RAM memory.

Custm Virtual Memory Size

What are the values you should enter in Initial size and Maximum size fields? Notice a Currently Allocated value at the bottom of this window? In the Initial size field, put a value higher than the Currently allocated size. In the Maximum size, enter the value of your physical RAM multiplied by 3 (max).

Note: The values should be entered in MB (1 GB = 100 MB).



Finally: Once you set the values, press Ok. After closing all the open windows, reboot your computer.

See if increasing the Virtual RAM Memory fixed slow computer or not.

#6 – Reset PC to Fix Slow Computer (Windows 10)

Resetting your PC should be one of the things that you should consider if none of the above methods are working for you. Resetting a PC means reinstallation of Windows freshly on your PC, while keeping your personal files. While your personal files will be safe, such as videos, music, pictures, etc., the software installed on your PC and our personal settings would be deleted during this process.

Here is an extensive guide to Reset Windows 10 without losing Personal Files.

Some Extra Tips to fix a slow PC:

  • Do not open too many (unnecessary) tabs in your web browser.
  • Do not let unnecessary software run in the background when not needed.
  • Keep deleting unwanted files on your system from time to time.
  • Uninstall software that you needed in past but do not need now.

I hope one of the solutions work out for you to fix slow computer. If there is any other trick which has helped you to improve your PC’s speed, do share it with us in the comments section for our readers. Also, help us to identify the best solution among the above mentioned ones.


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