How do I scan and repair Windows 10?
Select Start > Settings > Update & Security > Troubleshoot > Additional troubleshooters, or select the Find troubleshooters shortcut at the end of this topic, and then select Additional troubleshooters. Select the type of troubleshooting you want to do, then select Run the troubleshooter.In the command prompt window, type SFC /scannow and press Enter . The system file checker utility checks the integrity of Windows system files and repairs them if required. After the process is complete, reboot the computer.Check Health: Open an elevated Command Prompt and type DISM /online /cleanup-image /checkhealth . This is a quick scan and will determine if the image is repairable. Scan Health: Open an elevated Command Prompt and type DISM /online /cleanup-image /scanhealth . This will check if there are any corruptions detected.

What is the Windows error checking tool : CHKDSK (check disk) is a system tool or utility on Windows operating systems that scans your hard drive for file system errors. Running the CHKDSK utility helps check and repair hard drive errors and keeps your system data organized — it's part of good computer hygiene.

How to repair corrupted Windows 10

Run the System File Checker tool (SFC.exe)

  1. Open an elevated command prompt. To do this, do the following as your appropriate:
  2. If you are running Windows 10, Windows 8.1 or Windows 8, first run the inbox Deployment Image Servicing and Management (DISM) tool prior to running the System File Checker.

How do I run Windows 10 repair : To do so, go to Windows Search and select Change Advanced Startup Options. Restart the computer and click on Troubleshoot, then select Advanced Options and click on Startup Repair. Follow the prompts and choose an account. The repair process will scan the computer and attempt to fix any startup problems.

In the command prompt window, type SFC /scannow and press Enter . System file checker utility checks the integrity of Windows system files and repairs them if required.

To use the System File Checker in modern versions of Windows, follow these steps:

  1. Close any open programs on the desktop.
  2. Select Start.
  3. In the Search box, enter Command Prompt.
  4. Select Run as administer.
  5. Enter an administrator password if requested to do so, or select Allow.
  6. At the Command Prompt, enter SFC /SCANNOW.

How to repair Windows using cmd

How do I repair Windows 10 with command prompt

  1. Entering the CMD windows.
  2. Type in sfc /scannow, and press the Enter key.
  3. If the SFC command doesn't work.
  4. Type in DISM /Online /Cleanup-Image /ScanHealth to scan the corruptions of Windows images.

To check image problems with the ScanHealth option, use these steps:

  1. Open Start.
  2. Search for Command Prompt, right-click the top result, and select the Run as administrator option.
  3. Type the following command to perform an advanced DISM scan and press Enter: DISM /Online /Cleanup-Image /ScanHealth.

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  1. Press the Windows key.
  2. Click Run as administrator.
  3. Type "DISM.exe /Online /Cleanup-image /Restorehealth" and press Enter.
  4. Enter "sfc /scannow" and press Enter.


To do so, go to Windows Search and select Change Advanced Startup Options. Restart the computer and click on Troubleshoot, then select Advanced Options and click on Startup Repair. Follow the prompts and choose an account. The repair process will scan the computer and attempt to fix any startup problems.

How to repair Windows 10 : Here's how:

  1. Navigate to the Windows 10 Advanced Startup Options menu.
  2. Once your computer has booted, select Troubleshoot.
  3. And then you'll need to click Advanced options.
  4. Click Startup Repair.
  5. Complete step 1 from the previous method to get to Windows 10's Advanced Startup Options menu.
  6. Click System Restore.

Can corrupted Windows be fixed : Use the System File Checker tool to repair missing or corrupted system files. If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files.

How do I repair corrupted Windows 10

What to Do If Windows Is Corrupted

  1. Step 1: Try System Restore. The first thing you should try is system restore.
  2. Step 2: Scan for Viruses/Malware. Sometimes, malicious software can cause major issues with your computer's operating system.
  3. Step 3: Use the SFC /scannow command.
  4. Step 4: Reinstall Your Operating System.


Press the power button again to turn on your device. This time, allow your device to fully start up. Select Advanced options. Now that you're in winRE, on the Choose an option screen, select Troubleshoot > Advanced options > Startup Repair > Restart.To run the Check Disk Utility.

  1. Press Windows key + X and click on Command Prompt (Admin) to open the Elevated Command Prompt. ( If prompted for a password, type the password and click allow)
  2. Type the following command: chkdsk /r and click Enter.
  3. If you see this message:
  4. Restart your system and let the check disk run.

How do I scan and repair my computer using CMD : Click on “Start” > type “cmd” > “Run as administrator”. Type a CHKDSK command in the command prompt and press “Enter”. Include parameters like “/f”, “/r”, and “/x” to scan and repair any errors. Note: If you opt to only scan your PC for drive errors, type “chkdsk” and press “Enter”.