Alex Ruben
How to Fix Windows 11 Lagging and Slow Performance in 2025
This guide provides a comprehensive walkthrough for fixing lag and slow performance issues on Windows 11. By following the steps carefully, you will learn how to disable unnecessary startup apps, optimize system performance settings, clear temporary files, and repair corrupted Windows files. These actions can significantly enhance your system’s speed and efficiency.
Step 1: Disable Startup Apps
Begin by disabling apps that start automatically when your computer boots. This can reduce the load on your system and improve performance.
- Press Ctrl + Shift + Esc to open the Task Manager.
- Navigate to the “Startup” tab.
- Select the applications you do not want to run at startup and click “Disable.”
Step 2: Adjust for Best Performance
By adjusting your system settings for best performance, you can free up resources that may be used for graphical features.
- Press
Windows + Rto open the Run dialog. - Type
sysdm.cpland press Enter. - In the “System Properties” window, go to the “Advanced” tab.
- Click on “Settings” under the Performance section.
- Select “Adjust for best performance” and then click “Apply.”
- Note: While this setting may optimize performance, it may also reduce graphical details. Don’t worry; the settings can be adjusted back if necessary.
Step 3: Disable Unwanted Microsoft Services
Disabling unnecessary Microsoft services can free up your system resources. Here’s how to do it:
- Press
Windows + Rto open the Run dialog. - Type
msconfigand press Enter. - Go to the “Services” tab.
- Check the box for “Hide all Microsoft services” to prevent disabling critical services.
- Review the remaining services and uncheck those you find unnecessary.
- Click “Apply” and then “OK.”
- Restart your PC for the changes to take effect.
Step 4: Clean the C Drive and Temporary Files
Cleaning your system drive helps reclaim valuable space and can enhance performance.
- Press
Windows + Rto open the Run dialog. - Type
tempand press Enter. Delete all files in this folder. - Open the Run dialog again, type
%temp%, and press Enter. Delete all files here as well. - Lastly, open the Run dialog and type
prefetch. Delete the files listed in this folder.
Step 5: Repair Windows File Corruptions
Repairing corrupted system files can resolve numerous performance issues. Follow these steps:
- Right-click the Start button and select “Windows Terminal (Admin)” or “Command Prompt (Admin).”
- Type the following command and press Enter:
sfc /scannow. - Wait for the process to complete; it will scan for and attempt to repair corrupted Windows system files.
Extra Tips & Common Issues
While following these steps, here are additional tips to enhance the process:
- Regularly check for Windows updates to ensure your system is up-to-date.
- Use Disk Cleanup to remove unnecessary files and free up space.
- If you notice persistent lag, consider upgrading your hardware components, like adding more RAM.
Conclusion
By following this guide, you should now have a faster, more responsive Windows 11 experience. Regular maintenance, including cleaning temporary files and disabling unnecessary apps, can greatly improve your computer’s performance. For further assistance, consider exploring additional guides related to Windows optimizations.
Frequently Asked Questions
What should I do if my computer still lags after following these steps?
If your computer continues to lag, consider checking for hardware issues or consulting a professional for advanced troubleshooting.
Can I undo any of the changes made in this guide?
Yes, most changes can be reversed by revisiting the respective settings and enabling the options again.
Is this guide applicable to Windows 10 as well?
Yes, the steps outlined in this guide for optimizing performance also apply to Windows 10 systems.