Why is Windows 11 Suddenly So Slow and How to Fix It?

Troubleshoot and improve performance on Windows 11.

Since the first build of Windows 11 was released, the users signed up for it have faced some issues. Some users faced the lagging issue. Microsoft solved the issues via the update during the beta testing. If you are still facing some issues with Windows 11, then this article will help you understand why is Windows 11 suddenly so slow and possible solutions to fix it. So, keep reading!

Why is Windows 11 Suddenly So Slow and How to Fix It?

Why is Windows 11 Suddenly So Slow and How to Fix It?

Here are some reasons why is Windows 11 suddenly so slow and laggy on your device:

  • You have installed Windows 11 on HDD and not an SSD.
  • The current build of Windows 11 you are using has some performance issues.
  • Your Windows 11 drivers and Windows 11 are not updated.
  • Your SSD has some hardware issues.
  • Your C drive or the Windows 11 installed drive is full.
  • There might be too much of temporary files on your device.

Are Windows 11 Performance Issues Fixed?

Yes, Windows 11 performance issues have been fixed. Windows 11 has some performance issues in the beta versions. These issues didn’t occur for all the users signed up for the beta. Beta versions did have some other issues like the app crashing, Windows 11 lagging, and other performance issues, which Microsoft has now fixed by rolling out the OTA (Over the Air) updates to the users.

Is Windows 11 SSD Issue Fixed?

Yes, Windows 11 SSD issue has been fixed. Previously, Windows 11 won’t fully use an SSD, and the performance has decreased; most users even reported that their device had become very slow. Microsoft then pushed a Windows 11 KB5007262 update at the end of 2021, fixing the Windows 11 performance issue with SSD. If you haven’t installed the update, please install it; it will fix your device’s Windows 11 SD issue.

Preview of Windows 11 KB5007262 update

Also Read: 16 Settings You Should Change to Protect Your Privacy in Windows 11

How to Fix Windows 11 Slow and Lagging Problem

To fix Windows 11 lagging and the slow problem, you can follow these methods:

Method 1: Disable Unnecessary Startup Apps

Turning off unnecessary startup apps will increase your Windows 11 performance and minimize the lag. Read our guide on How to Disable Startup Programs in Windows 11 and implement the same.

disable apps from Startup tab in Task manager

Method 2: Update Windows OS

Installing the new updates will also update all the drivers automatically and can improve your PC lagging issue. Read our guide on How to Download and Install Windows 11 Updates and implement the same.

click on update title from the Search results on Microsoft catalog website

Also Read: Why is My Windows 10 Computer So Slow?

Method 3: Delete Temporary Files

Deleting temporary files regularly will prevent this issue from occurring. Do this process twice a month to keep your PC free from junk. Follow the below steps to do so:

1. Press Windows + R keys on your keyboard to open the Run dialog box.

2. In the box, type %temp% and click on OK.

type [percentage symbol]temp[percentage symbol] and click on OK

3. Press Ctrl + A on your keyboard to select all files.

Press Ctrl and A keys on your keyboard to select all the files. | Why is Windows 11 Suddenly So Slow and How to Fix It?

4. Press the Shift + Delete keys and click on Yes from the pop-up to delete them permanently.

Press Shift and Delete keys to delete them permanently.

Also Read: How to Add Create Restore Point Context Menu in Windows 11

Method 4: Migrate Windows 11 to SSD

If you have installed Windows 11 on an HDD, purchase an SSD and move your OS to it. Steps to migrate OS to SSD are given below:

Note: We do not endorse any such apps/software that offer such content/services; therefore, use these at your discretion. Users should ensure the protection of their data for privacy or any data loss.

1. Connect the SSD to your computer.

2. Download and install the EaseUS Partition Master on your computer.

3. Launch EaseUS Partition Master.

4. Click on Clone/Migrate OS option from the right pane, as shown.

Click on Clone Migrate OS option from the right panel.

5. Select Migrate OS and click on the Next option.

Select Migrate OS and click on the Next button. | Why is Windows 11 Suddenly So Slow and How to Fix It?

6. Select SSD as a destination drive and click the Next option.

7. Click on the Start option to start the migration process.

8. Once the migration is done, click the Done option to finish the process.

9. Turn off your PC and replace HDD with the SSD.


We hope this article has helped you to know why is Windows 11 suddenly so slow. Please share your experience of reading this article with us if you found this article helpful. If you have any queries or suggestions regarding the article, please write to us in the comment section below.

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