How to check PC problems with 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”.On the User Account Control (UAC) prompt, click Yes. 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.Type DISM.exe /Online /Cleanup-image /Restorehealth (note the space before each "/"), and then press Enter. (Note: This step may take a few minutes to start and complete.) After you see a message that says "The operation completed successfully," type sfc /scannow (note the space between "sfc" and "/") and press Enter.

How to repair Windows cmd : You can repair Windows 10 with CMD using the SFC and DISM commands.

  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.

How to check PC health in cmd

Performing a system health check via command prompt can help you quickly assess the status of various system components. And identify potential issues here are 10 powerful commands you can use for a

How to check PC for errors : What to Know

  1. Go to Settings > System > Troubleshoot (W11) or Settings > Update & Security > Troubleshoot (W10).
  2. To test your RAM, search for Windows Memory Diagnostic and run the app.
  3. Other troubleshooting tools include Reliability Monitor and hardware-specific apps like Intel Processor Diagnostic Tool.

How to Run a Full Virus Scan With the Command Prompt

  1. cd C:\ProgramData\Microsoft\Windows Defender\Platform\4*
  2. mpcmdrun -scan -scantype 2.
  3. start-mpscan -scantype fullscan.


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. After the process is complete, reboot the computer.

Is SFC scan safe to run

But to your question, the SFC stands for system file check and that is what it does under the command scannow. It checks the system file against an image and will detect corrupted files and if possible repair them. It does not check your data. In short, it is rather unlikely that there can be a loss after a scan.You probably already have the PC Health Check app installed on your Windows PC or laptop. Go to your search bar and start typing 'PC Health Check. ' If you have the app, then click on it or select Open. If you do not have the app installed on your device, you can download it from Microsoft.All you need to do is go to the Taskbar, search for Windows Security, and select Device Performance and Health. Within a fraction of a second, you will get a health report that displays any issues in Windows time service, storage capacity, battery life, apps, and software.

Find PC Health Check app

Go to your search bar and start typing 'PC Health Check. ' If you have the app, then click on it or select Open. If you do not have the app installed on your device, you can download it from Microsoft.

How to run PC diagnostics : The Windows Diagnostics tool is a comprehensive tool that can scan your system for hardware and software issues. To access the tool, go to Settings > Update & Security > Troubleshoot > Additional troubleshooters > Windows Diagnostics.

How to check health in cmd : 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.

How to know if Windows is corrupted

How do I know if Windows is damaged

  1. Slow performance – If Windows is running much slower than usual, it could be a sign of corruption.
  2. Blue Screen of Death (BSoD) – The BSoD is a critical error that occurs when Windows encounters a system error that it cannot recover from.


Generally chkdsk /r not only does the same thing as chkdsk /f, but also checks the bad sectors on the hard disk and tries to recover the readable information. Running chkdsk /r also means that the chkdsk /f is run. However, running chkdsk /f will only check for logical disk errors, but not bad sectors.When the System File Checker (SFC) cannot resolve issues on a computer, the DISM utility is often employed. The DISM tool can repair Component Store Corruption, which is known to hinder SFC Scan from operating correctly on a computer when it is used.

How to check PC condition : View the Health report for your device in Windows Security

  1. In the search box on the taskbar, type Windows Security, and then select it from the results.
  2. Select Device performance & health to view the Health report.