How to Repair Windows 11 and Fix Corrupted Files [2021 Guide]

Having issues with your Windows 11 computer? Your Windows 11 PC freezes? You encounter Windows 11 system crashing or this PC can not run Windows 11? Do not worry, you can repair Windows 11 and fix corrupted files by following the methods in this article. This tutorial has listed some effective ways to help you repair Windows 11.

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Table of Contents

You can upgrade to Windows 11 for free to experience the new user interface, reliability, stability, and security, of the operating system. However, you will inevitably encounter some problems when using the new system, such as your Windows 11 computer cannot boot properly, the Windows 11 crashes and loads slowly, this PC can't run Windows 11, or even black screen of death on Windows 11.

If you face any of these issues, don't worry, here's the right place you've got in. In this guide, you'll learn several effective methods to repair Windows 11. This tutorial has displayed the ways to help you repair Windows 11 and make your computer run normally.

Workable Solutions Step-by-step Troubleshooting
Fix 1. Use Windows Startup Windows Startup Repair can fix problems that the Windows 11 OS face while booting...Full steps
Fix 2. Run SFC to Repair System Files You can perform an SFC scan to check for any corrupted files and repair them...Full steps
Fix 3. Use DISM to Fix System Files Use Windows Deployment Imaging and Servicing Management to repair the Windows image...Full steps
Fix 4. Perform System Restore Using Windows Restore, you can revert the Windows to the state that it was working without any problem...Full steps
Fix 5. Reset Your PC The last way to repair Windows 11 is to reset your PC and reinstall Windows...Full steps

First Thing to Do Before Windows 11 Repair: Recover and Back Up Files

Windows 11 repair may cause some data loss. There are no guarantees. Therefore, before fixes, we highly recommend you restore and backup data. You can use EaseUS Data Recovery Wizard to recover photos, videos, documents, emails, or other 1000+ file types in complex data loss causes.

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If your Windows 11 fails to start, you can still use EaseUS Data Recovery Wizard Pro with Bootable Media to recover data from a dead hard drive and inaccessible Windows computer.

Step 1. Create a bootable disk

Prepare an empty USB. If you have important data on it, copy the data to another device. When you create a bootable disk, the data on the USB will be erased. EaseUS Data Recovery Wizard WinPE Edition will help you create a bootable disk.

Connect the USB drive to PC, launch EaseUS Data Recovery Wizard WinPE Edition. Select the USB drive and click "Create" to create a bootable disk.

create a bootable disk with easeus

Step 2. Boot from the bootable USB

Connect the bootable disk to PC that won't boot and change your computer boot sequence in BIOS. For most users, it works well when they restart their computer and press F2 at the same time to enter BIOS. Set to boot the PC from "Removable Devices" (bootable USB disk) or "CD-ROM Drive" (bootable CD/DVD) beyond Hard Drive. Press "F10" to save and exit.

Step 3. Recover files/data from a PC/laptop hard drive that won't boot

When you boot from the USB, you can run EaseUS Data Recovery Wizard from the WinPE bootable disk. Select the drive you want to scan to find all your lost files. 

selet the drive

Click "Scan" to start the scanning process.

let the software scan the drive

Recover data from the computer or laptop. After the scan completed, you can preview all recoverable files, select the targeted files, and click the "Recover" button to restore your files. You'd better save all of the recovered data to another place to avoid data overwriting.

recover data from the computer

After using the file recovery tool to get back data, take the below solutions to fix Windows 11 safely. You can start from the top of the list until you find your Windows 11 PC or laptop machine running properly.

Fix 1. Use Startup Repair to Repair Windows 11

When your Windows 11 gets wonky, the very first method is using the Windows Automatic Repair utility that can fix the system booting problem. To run Windows Startup repair, follow the steps given below.

Step 1. Insert Windows 11 installation disk or USB to your PC.

Step 2. Restart your computer PC and boot from the disk or USB.

Step 3. After the Windows Install now screen appears, click "Repair your computer".

repair your computer

Step 4. Go to "Choose an option screen", click the "Troubleshoot" option. Then, go to the Advanced options windows.

Step 5. Choose "Startup Repair". After doing so, Windows Startup Repair will start diagnosing your PC. When the process completes, the Windows 11 startup issue might be fixed.

adcanced options

Fix 2. Run SFC Scan Fix System Problem

If some system files are corrupted, Windows 11 will malfunction and stop working. Use the  (System File Checker) and DISM (Deployment Image Servicing and Management) tools to scan Windows and repair system files.

Steps to run SFC scan:

Step 1. Press Windows + X keys and choose Command Prompt((Admin) from the list.

Step 2. On the Command Prompt window, type the command: sfc/scannow and press "enter".

run sfc scan to fix a corrupted user profile windows 10

If the SFC scans and verifies that the protected file has been corrupted or changed, it will repair and replace it with the correct copy. The SFC can even try to repair the file cache if it is found to be changed or corrupted.

Fix 3. Run DISM Scan to Repair Windows 11 System File

If SFC doesn't work, try DISM instead, which is much more powerful and capable. Depending on the number of files that exist on your computer, this may take some time. When this process is complete, restart your computer and the Windows 11 may work properly.

Step 1. Click the search button and look for "Command Prompt".

Step 2. Right-click the icon and select "Run as administrator".

Step 3. In Command Prompt, type the command: DISM /Online /Cleanup-Image /RestoreHealth and press "enter". Now you need to wait for around 2-5 minutes for the program to fix damaged system files. 

Fix 4. Fix Windows 11 Through System Restore

Another way to repair Windows 11 is performing Windows System Restore. Using Windows System Restore, you can restore the Windows to normal working status. However, you need to create a recovery point ahead of time. If you didn't create a recovery point earlier, this method won't work for you and you can move on to the next method.

Step 1. Reboot your Windows 11 PC. While the computer is still booting, press F11 to go to the  Advanced Startup, and then click "Troubleshoot".

choose troubleshoot

Step 2. Select Advanced options, and then choose "System Restore". Then, your PC will restart.

choose system restore

Step 3. Select your Account and enter the password. Then, click "Continue" to the next step.

choose account and verify

Step 4. On the System Restore window, select a restore point to which you want to revert.

You can select San for affected programs, and you can check what programs will be added to your system or what programs will be removed.

choose a system restore

Step 5. Click next and follow the on-screen instructions to restore your Windows.

Fix 5. Reset Your Windows 11 PC

The final way to repair Windows 11 is by resetting your PC. When your PC isn't running well, resetting will be helpful. Computer resetting lets you choose to keep your personal files or remove them, and then reinstalls Windows. If you choose to delete all the data on your PC, so ensure that you have made a backup before resetting.

Step 1. Click the "Start" button. Click "Settings" > "Update & Security" > "Recovery".

Step 2. Under "Reset this PC", choose  "Get Started". 

reset Windwos 10 to reinstall windows 10 without cd

Step 3. Click an option for "Keep my files" or "Remove everything". Both ways will remove apps and settings. 

reset windows 10 - 2 to reinstall windows 10 without cd

Step 4. Once you choose an option, a window will pop up, saying that your apps will be removed. Then, click "Next" to move on. 

Step 5. On Ready to reset this PC screen, click the "Reset" button to reinstall Windows 11. 

Final Words

Here are some tried and true methods to help you repair Windows 11. No matter which solution you take to solve the issue, remember to restore and back up your files in advance with data recovery software. 

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 Download for Mac Trustpilot Rating 4.4

To fix Windows 11, you can use the Windows Startup Repair tool, run SFC and DISM scan, perform a system restore and reset your PC. Follow the step-by-step guides above to resolve the issue. 

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Updated by Cedric

Cedric Grantham is one of the senior editors of EaseUS who lives and works in Chengdu, China. He mainly writes articles about data recovery tutorials on PC and Mac and how-to tips for partition management. He always keeps an eye on new releases and likes various electronic products.

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