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5 CMD Commands to Optimize Your Windows 11 PC

Windows 11 has introduced a range of visual and performance improvements, but regular system maintenance is still essential to keep it running efficiently. As a System Administrator, you can use CMD commands to perform optimization tasks quickly and effectively. In this article, we’ll explore five CMD commands that can help improve the performance of your Windows 11 PC.




1. Clear DNS Cache


Command: ipconfig /flushdns

What it does: Clears the DNS cache of the system, which can resolve internet connection issues and speed up browsing.

Why use it in Windows 11: Windows 11 prioritizes a smoother internet experience, and a clean DNS cache can help avoid domain resolution errors.


How to use:

1. Open Command Prompt as Administrator.

2. Type ipconfig /flushdns and press Enter.

3. You’ll see the message "Successfully flushed the DNS Resolver Cache."




2. Disable Unnecessary Startup Programs


Command: msconfig

What it does: Allows you to manage programs that run automatically when Windows starts.

Why use it in Windows 11: While Windows 11 has a built-in startup manager, msconfig provides more detailed control over background services and programs.


How to use:

1. Open Command Prompt as Administrator.

2. Type msconfig and press Enter.

3. Go to the "Services" tab, check "Hide all Microsoft services," and disable unnecessary services.

4. In the "Startup" tab, uncheck programs you don’t want to run at startup.

5. Click "OK" and restart your PC.




3. Free Up Disk Space


Command: cleanmgr

What it does: Opens the Disk Cleanup tool, which allows you to remove temporary files, cache, and other unnecessary data.

Why use it in Windows 11: Windows 11 consumes more disk space due to features like snap layouts, widgets, and cloud integration. Keeping your disk clean is essential for optimal performance.


How to use:

1. In Command Prompt, type cleanmgr and press Enter.

2. Select the disk drive you want to clean (e.g., C:).

3. Check the options for files you want to remove (temporary files, cache, etc.).

4. Click "OK" to start the cleanup process.




4. Check and Repair Disk Errors


Command: chkdsk C: /f /r

What it does: Checks the integrity of the hard drive and fixes any errors found.

Why use it in Windows 11: While Windows 11 is optimized for SSDs, file corruption or bad sectors can still occur on traditional hard drives.


How to use:

1. Open Command Prompt as Administrator.

2. Type chkdsk C: /f /r and press Enter.



  • Replace "C:" with the drive you want to check.

    3. The command will scan the disk and automatically fix errors.




5. Defragment the Hard Drive (for HDDs only)


Command: defrag C:

What it does: Reorganizes files on the hard drive to improve data access speed.

Why use it in Windows 11: While Windows 11 is optimized for SSDs, users with HDDs can still benefit from regular defragmentation.


How to use:

1. In Command Prompt, type defrag C: and press Enter.



  • Replace "C:" with the drive you want to defragment.

    2. Wait for the process to complete.




Bonus: Additional Commands for Windows 11


1. Check and Repair System Files:



  • Command: sfc /scannow

  • What it does: Scans and repairs corrupted system files.


2. Disable Hibernation (to free up disk space):



  • Command: powercfg /h off

  • What it does: Disables the hibernation file, freeing up disk space.


3. Reset Winsock Catalog (for network issues):



  • Command: netsh winsock reset

  • What it does: Resets network settings, resolving connectivity problems.




Conclusion


Windows 11 is a modern and efficient operating system, but regular maintenance is key to keeping it running at its best. With these CMD commands, you can optimize your PC’s performance, troubleshoot common issues, and ensure a smoother user experience. Try applying these tips to your Windows 11 environment and share this article with your friends and colleagues!


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